The ratios of the length to width of the propodus of the fourth leg in the three kinds of mitten crabs were identical or near to those of taxonomic samples.
The Big Bang model predicts certain abundances of elements — ratios of them, compared to hydrogen — and that's just what we see in the Universe at large.
You see, the ratio of a circle's circumference to its diameter is what's known as an irrational number, one that can never be expressed as a ratio of two whole numbers.
A useful metric therefore is the FEV1 to FVC ratio, which since the FEV1 goes down even more than FVC, causes the FEV1 to FVC ratio to go down as well.
In all three countries household and corporate debt combined were way over 200% of GDP before the crisis, much higher than in America (175%) or even Britain (205%).
The ratio of INTRAcellular to EXTRAcellular potassium is important for generation of action potentials and is essential for normal functions of neurons, skeletal muscles and cardiac muscles.
When advertising a new car's efficiency, for example, it is more convincing to talk about the number of extra miles per gallon it does, rather than the equivalent percentage fall in fuel consumption.