proportionate
scales, compasses, dividers
3-D
affinitive
analogical
analogous
appertaining
associative
balanced
commensurable
commensurate
comparable
comparative
compatible
congenial
connective
consistent
contingent
correlated
correlative
corresponding
cubic
dependent
dimensional
distributional
distributive
en rapport
equal
even stephen
fifty-fifty
flat
fourth-dimensional
half
half-and-half
halvers
harmonious
in accordance with
linking
particular
per capita
per head
pertaining
pertinent
pro rata
proportionable
proportioned
prorated
reciprocal
referable
quantity
directly proportional
inversely proportional
akin
applicable
appreciable
approximate
correlate
correspond
cumulative
disproportionate
exponential
fractional
incalculable
inconsiderable
linear
measurable
nominal
numerical
observable
optimum
unequal