Arithmetical proportion

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See Proportion.

See also: Arithmetical

Webster's Revised Unabridged Dictionary, published 1913 by G. & C. Merriam Co.
References in periodicals archive ?
Nigeria is the only country in the whole world where desert regions, where desert encroachment is driving both human beings and cows southward, not only harbour more population than the South but is also growing at geometrical proportion while the South, which has all it takes to support large population, grows at arithmetical proportion, so to say.
The rise in population in geometrical proportions cannot keep pace with the means of subsistence which increase in arithmetical proportions, if they increase at all.