SOLUTION: I have a spray tank that is 72" long and 36" in diameter how many gallons of water are in my tank if it is full? thank you very much!!

Question 632170: I have a spray tank that is 72" long and 36" in diameter how many gallons of water are in my tank if it is full? thank you very much!!
Answer by jim_thompson5910(35256) (Show Source): You can put this solution on YOUR website!
V = pi*r^2*h

V = pi*(18)^2*(72)

V = 23328pi <<< --- Exact Volume

V = 23328(3.14159)

V = 73287.01152 <<< --- Approximate Volume

So the approximate volume is 73287.01152 cubic inches.

Now convert this to gallons

(73287.01152 cubic inches)*(1 gallon/231 cubic inches) = 73287.01152/231 = 317.25979012987

and round it to get 317.2598

So the tank can hold approximately 317.2598 gallons.

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