Convert kilograms to pounds using the proportion 1 kilogram = 2.2 pounds. How many kilograms are equal to 72 pounds? Round to the nearest tenth of a kilogram.

To convert kilograms to pounds using the proportion 1 kilogram = 2.2 pounds, divide the number of pounds by 2.2.

Using this method, to find how many kilograms are equal to 72 pounds, divide 72 by 2.2:
72 pounds / 2.2 = 32.7272727...
Rounded to the nearest tenth of a kilogram, 32.7 pounds is equal to 72 pounds.