Question

The geometric mean of three numbers is 24. if two numbers are 27 and 64, then find the third number.

Answer 1

Mean=24
One number =27
Other number =64
Another number =x
Mean = 27+64+x/2
24 =91+x/2
24*2 =91+x
48-91 =x
- 43 =x
X = - 43