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" Then multiply the second and third terms together, and divide the product by the first term: the quotient will be the fourth term, or answer. "
The Theory and Practice of Surveying: Containing All the Instructions ...
by Robert Gibson - 1811 - 508 pages
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An Elementary Arithmetic Designed for Academies and Schools: Also Serving as ...

George Roberts Perkins - Arithmetic - 1855 - 388 pages
...Having written the three terms of the proportion, or, as usually expressed, having stated the question, then multiply the second and third terms together, and divide the product by thejirst term. E. — Since there is a ratio between the first and second terms, they must be reduced...
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Elementary Algebra: For the Use of Schools

William Smyth - Algebra - 1856 - 264 pages
...two remaining numbers as the first term, and the other as the second term, of the proportion. 3°. Multiply the second and third terms together, and divide the product by the first term ; the quotient will be the answer. Such is the Rule of Three, as it is usually given in Arithmetic....
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New University Arithmetic: Embracing the Science of Numbers, and Their ...

Charles Davies - Arithmetic - 1856 - 450 pages
...couplet and the effects the other, and so that the required term shall fall in the 4;lh place. II. Multiply the second and third terms together and divide the product by the first term : Or, Multiply the third term by the ratio of the first and second. NOTES. — 1. If the first and...
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Arithmetic on the Productive System: Accompanied by a Key and Cubical Blocks

Roswell Chamberlain Smith - Arithmetic - 1856 - 334 pages
...the means is 21,600, which, being divided by one of the extremes, gives a quotient of 720. That is, multiply the second and third terms together, and divide the product by the first ; the quotient will be tht fourth term or answer. A. $720. 14. If 20 pounds of butter cost 95, what...
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Mathematical Dictionary and Cyclopedia of Mathematical Science: Comprising ...

Charles Davies, William Guy Peck - Mathematics - 1857 - 608 pages
...corresponding element of the other cause the second term, and the remaining element the third term : then multiply the second and third terms together, and divide the product by the first. If 4 men can dig a ditch in 9 days, how many days will it require 18 men to dig it? The elements of...
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The Mining Magazine: Devoted to Mines, Mining Operations ..., Volume 9

Mineral industries - 1857 - 578 pages
...SHROUD-LAID* ROPE. Ruin. — State the question as in direct proportion, square the first and third terms, multiply the second and third terms together, and divide the product by the first. in mines, out of the common course of working. We may notice an instance or two, viz. inattention or...
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A New System of Arithmetic, on an Improved Plan, Embracing the Rules of ...

Charles Guilford Burnham - 1857 - 342 pages
...expresses the demand, for the first, and the remaining term of the condition for tlte second term. II. Multiply the second and third terms together, and divide the product by the first. III. If the first or second terms consist of different denominations, reduce both to the lowest mentioned....
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The Practical Miner's Guide: Treatise on Mine Engineering, Comprisinga Set ...

John Budge - Mine surveying - 1858 - 224 pages
...SHROUD-LAID ROPE.* Rule. — State the question as in direct proportion, square the first and third terms, multiply the second and third terms together, and divide the product by the first. EXAMPLE. • How many standard yarns, or threads, are there in a 14-inch capstan rope ? * The term...
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The young ladies' new guide to arithmetic

John Greig - 1858 - 116 pages
...the same name. Then bring the first and second terms into the same name, if both are not so already, multiply the second and third terms together, and divide the product by the first, the quotient will be the fourth term or answer, and of the same name as the third. Thus, if 3 oz. of...
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Arithmetic for the use of schools. [Pt.1. With] Answers. [With] Answers

Edward Liddell (writer on arithmetic.) - 1860 - 160 pages
...the first place. (4). Reduce (if necessary) the first and second terms to the same denomination. (5). Multiply the second and third terms together, and divide the product by the first term ; the result will be the answer required. We may either leave the fourth place in the statement blank,...
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