Question

2. Find the mean proportional between 9 and 16.​

Answer 1

Answer:

12

Step-by-step explanation:

(Mean proportion)² = 9 * 16 = 144

Mean proportion = √144

Mean proportion = 12

Answer 2

Answer:

9:x::x16

Step-by-step explanation:

9x16=XxX

144 =2x

Taking under root on both sides

12 =x

X=12

Answers