Find the third proportion

Find two numbers such that their mean proportional is 18 and the third proportional to them is 144.

If the mean proportional of two numbers be 6 and the third proportional is 48, find the numbers.

Find two numbers such that the mean proportional between them is 12 and the third proportional to them is 96.

The mean proportion of two numbers is 24 and their third proportion is 72. Find the sum of the two numbers.

The mean proportion between two numbers i 28 and their third proportion to them is 24. The two numbers are

The ratio of the mean proportional between 0.7 and 2.8 and the third proportional to 2.5 and 3.5 is: