"the disproportion between" is a correct and usable phrase in written English.
It is typically used to describe a significant difference or imbalance between two things. Example: The disproportion between the rich and the poor in this country is staggering. The top 1% owns 40% of the wealth, while the bottom 50% owns just 1%.
The "disproportion between the reported facts and Sax's interpretation is spectacular," Liberman wrote on his blog, Language Log.
This is what hits me harder than anything: the disproportion between what we lose and what we gain.
The disproportion between the size of the question proposed, and the simplicity of the pretended answer, is the primary marketing hook.
The incongruity of the match was emphasized by Lady Ann's undoubted beauty, its mystery stimulated by the disproportion between the man and his bride.
The disproportion between the beagle's jaunty sweetness and his intimidating mission was mildly alarming, like seeing a clown in night-vision goggles).
Thanks to the Internet, the disproportion between writerly supply and demand, always tricky, has tipped: anyone can write, and everyone does, and beginners are expected to be the last pure philanthropists, giving it all away for the naches.
That laughter is confirmation of the power of the genre of the grand disproportion between the ordinariness of the lives of the characters and the extraordinary emotion that an excess of dramatic circumstances arouses.
That laughter is confirmation of the power of the genre — of the grand disproportion between the ordinariness of the lives of the characters and the extraordinary emotion that an excess of dramatic circumstances arouses.
The main limitation of the study was the significant disproportion between the airway management techniques used (BMV 87.9%, TI 7.4%, and LMA 4.7%).
Even with robust technology and rigorous analysis, the major challenge in the experimental design is the huge disproportion between the number of variables tested (gene expression values) and the number of samples.
To our knowledge, it is impossible to evaluate the significance of the observed disproportion between the number of losses of one paralogue compared to the other, so we must conclude that in this respect our observations do not contradict the deep paralogy scenario.
