Proportion - an equality of two ratios. e.g. 5 : 8 = 10 : 16.

Scale Factor - the ratio of a distance measured on a scale drawing to the corresponding distance measured on the actual object.

[Interactive Graphic Proportion Solver]Link Graphic
[Interactive Graphic Percentage Proportion Solver]Link Graphic

Percentage Proportion
Saturday, October 19, 2002 Jeff LeMieux /c/2002