We don't have synonyms for proportionals yet — it may be a rare, specialized, newly coined, or misspelled word. The closest thesaurus entries we have are proportionate, proportional and proportionable.
(adj) :
(mathematics) At a constant ratio (to). Two magnitudes (numbers) are said to be proportional if the second varies in a direct relation arithmetically to the first. Symbol: ∝.
(adj) :
(chiefly US) In proportion (to), proportionate.
(adj) :
Of a typeface, having characters with natural (non-uniform) width (in contrast to monospace typefaces).
(n) :
(mathematics, geometry, archaic) A proportion.
(adj) :
(mathematics) At a constant ratio (to). Two magnitudes (numbers) are said to be proportional if the second varies in a direct relation arithmetically to the first. Symbol: ∝.
(adj) :
(chiefly US) In proportion (to), proportionate.
(adj) :
Of a typeface, having characters with natural (non-uniform) width (in contrast to monospace typefaces).
(n) :
(mathematics, geometry, archaic) A proportion.