How do you find the missing side of a rectangle if the area is given?

Question

the area is 3/4 square foot and the smaller sides are 2/3ft and we need to find the measure of the longer sides

the area is 1/2 square meter and the smaller side is 1/4 meter and we need the measure of the longer side

Answer 1

A = lw

l = A/w

Answer 2

2/3 times x=3/4

x=3/4 divided by 2/3

x=1.125