Proportional to with 〜ば〜ほど
The form 〜ば〜ほど is used to say that when something is X, to the degree that it is X, it is proportionally Y. It has the meaning of, “If X is the case, then Y is proportional to X.”
Both 〜 are the same word, the first in the conditional form, and the second is in the base form.
The word ほど suggests X as being to a great degree.
Further reading
- 〜ば〜ほど｜日本語能力試験 JLPT N３ (www.edewakaru.com)
- ば〜ほど (日本語能力試験 N3) (bunpro.jp)
