3.1using ration to divide Quantities reduce solve-proportion 1 ratio-two-different-units 1. equal-true-false 2 ratio-two-same-units 2. proportions 3 proportional 3.1using ration to divide Quantities 3.2 using ration to divide Quantities-2 3.2 using ration to divide Quantities-3 compare create-proportion fraction-to-ratio ratio-to-fraction