#1078 · Algebra · Sequences & series

Shot numbers from given ratio

If the number of shot in a triangular pile is to the number of shot in a square pile of double the number of courses as $13$ is to $175$ , find the number of shot in each pile.

~6 minAnswer checked instantlyratiotriangular numberssquare numbers

H. S. Hall & S. R. Knight, Higher Algebra (1891) · Ch. VI. Harmonical Progression, Examples VI.b, No. 14

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Checked against the answer in H. S. Hall & S. R. Knight, Higher Algebra (1891).