Three numbers are in the ratio of 1 : 2 : 3. The product of the three numbers is 1296. What is the sum of the three numbers?
Three numbers are in the ratio of 1 : 2 : 3.
Let's assume the numbers are y, 2y and 3y.
The product of the three numbers is 1296.
$$y\times2y\times3y = 1296$$
$$6y^3=1296$$
$$y^3=216$$
y = 6
Sum of the three numbers = y+2y+3y
= 6y
=Â $$6\times6$$
= 36
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