The ratio of three numbers is 3 : 6 : 8. If their product is 9216, then what is the sum of the three numbers?
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Ratio of three numbers is 3:6:8
their product is =9216
sum of the three numbers is =?
3y×6y×9y=9216
144y^3=9216
y^3=9216÷144
y^3=64
y=3√64
y=4
first number is 3×4=12
second number is 6×4=24
third number is 9×4=36
their sum is 12+24+36=72
their product is =9216
sum of the three numbers is =?
3y×6y×9y=9216
144y^3=9216
y^3=9216÷144
y^3=64
y=3√64
y=4
first number is 3×4=12
second number is 6×4=24
third number is 9×4=36
their sum is 12+24+36=72
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