bei2 lai6 zung1 hong6比例中項比例中项
Jyutpingbei2 lai6 zung1 hong6
Yalebéi laih jūng hohng
Definition
Mean proportional; geometric mean.
neutralschool
How it's used
This term is strictly used in mathematical contexts, specifically geometry or algebra when discussing ratios. It refers to the value 'b' in the proportion 'a:b = b:c', where 'b' is the geometric mean. It is not used in everyday speech to describe general averages or proportions.
Examples
What is the mean proportional of this math problem?
You need to use a square root to calculate the mean proportional.
Related words
Common phrases
calculate the mean proportional
Grammar color guide
Noun
Verb
Adjective
Adverb
Pronoun
Classifier
Particle
Connector
Grammar guides
- QuestionsFrom yes or no questions to asking who, what, where, and when. The patterns you need to ask questions naturally in Cantonese.
- ClassifiersCantonese puts a classifier between a number and a noun, and a bare classifier on its own can mean the. Learn the common ones and how to use them.
- ComparisonsHow to say bigger than, the most, the same as, and not as good as. Cantonese uses 過 where Mandarin uses 比, and that catches a lot of learners out.



