| 单词 | rule of proportion |
| 释义 | > as lemmasrule of proportion b. In full rule of proportion. A method of finding a fourth quantity, given three known quantities, which bears the same relation to the third as the second does to the first, or (equivalently) the same relation to the second as the third does to the first; the rule of three. ΘΚΠ the world > relative properties > number > arithmetic or algebraic operations > [noun] > rule of three golden rule1539 proportion1543 1543 R. Record Ground of Artes f. 101v Ye rule of Proportions..whose vse is by 3 nombers knowen, to fynde out another vnknowen. 1678 E. Phillips New World of Words (new ed.) (at cited word) In Arithmetick, the Rule of proportion..is otherwise called the Golden Rule, or Rule of Three. 1797 Encycl. Brit. II. 301/2 The rule of proportion directs us, when three numbers are given, how to find a fourth, [etc.]. 1827 O. Gregory Hutton's Course Math. (ed. 9) I. 50 Compound Proportion, is a rule by means of which the student may resolve such questions as require two or more statings in simple proportion. 1907 Oakland (Calif.) Tribune 14 May 13/2 Measure the length of the shadow, then measure the length of the shadow cast by the tree, house or pole, and the simple rule of proportion determines the rest. 2000 D. M. Hovde in O. Johnson & W. H. Winter Route across Rocky Mountains 30 The rule of three..is also known as the golden rule or the rule of proportion. < as lemmas |
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