52.33333333.........
mean is (54+66)/2 = 60
The Greatest Common Factor of the three numbers is 6.
36, 42, 48, 54, 60, 66 and so on.
42 48 54 60 66
6, 12, 18, 24, 30, 36, 42, 48, 54, 60, 66
They are: 36, 42, 48, 54, 60, 66, 72, 78.
6, 12, 18, 24, 30, 36, 42, 48, 54, 60, 66, . . .
It is 54/66 which can be simplified, if required.
66 is greater than 54.
6, 12, 18, 24, 30, 36, 42, 48, 54, 60, 66, . . .
6 12 18 24 30 36 42 48 54 60 66 72 ............................................
36, 42, 48, 54, 60, and 66