72 US dry barrels in US customary cups
Result
The conversion result is: 72 US dry barrels is equivalent to 35188.3636363636 US customary cups.[1]
Conversion formula
How to convert 72 US dry barrels to US customary cups?
We know (by definition) that: 1 drybarrel ≈ 488.727272727273 uscup.
We can set up a proportion to solve for the number of US customary cups.
1 drybarrel / 72 drybarrel ≈ 488.727272727273 uscup / x uscup
Now, we cross multiply to solve for our unknown x:
x uscup ≈ (72 drybarrel / 1 drybarrel) * 488.727272727273 uscup → x uscup ≈ 35188.363636363654 uscup
Conclusion:
72 drybarrel ≈ 35188.363636363654 uscup

Conversion in the opposite direction
The inverse of the conversion factor is that 1 US customary cup is equal to 2.84184854497354e-05 times 72 US dry barrels.
It can also be expressed as: 72 US dry barrels is equal to 1 / 2.84184854497354e-05 US customary cups.
Approximation
An approximate numerical result would be: seventy-two US dry barrels is about thirty-five thousand, one hundred and eighty-eight point three six US customary cups, or alternatively, a US customary cup is about zero times seventy-two US dry barrels.
Footnotes
[1] The precision is 15 significant digits (fourteen digits to the right of the decimal point).
Results may contain small errors due to the use of floating point arithmetic.