See also: incorporation. INFUSION, med. jur. A pharmaceutical operation, which consists in pouring a hot or cold fluid upon a substance, whose medical properties it is desired to extract. Infusion is also used for the product of this operation.
A proportion is an equation with a ratio on each side. It is a statement that two ratios are equal. 3/4 = 6/8 is an example of a proportion. When one of the four numbers in a proportion is unknown, cross products may be used to find the unknown number.
â¢ Students use tape diagrams to solve problems when the part-to-part ratio is given and the value of one of the quantities is given. â¢ Students formalize a definition of equivalent ratios: Two ratios, A:B: and C:D, are equivalent ratios if there is a positive number, c, such that C = cA and D = cB.