New posts in Ratio

Prove that $\frac{AB}{AE} + \frac{AD}{AG} = \frac{AC}{AF}$ in parallelogram $ABCD$, where $E$, $F$, $G$ are points on a line intersecting the sides

Which is faster between the tiger and the leopard given the relation between the number of paces they take and length of their paces?

Does the sign matter for proportionality?

Finding all possible proofs

Dividing a rectangle into 4 parts in the ratio 1:2:3:4, with only 2 lines

How did they get this equation comparing three ratios?

Suppose $\lim_{n\to\infty} {\frac{a_{n+1}}{a_n}} = \frac{1}{2}$, prove $\lim_{n\to\infty}{a_n}=0$

Solving proportions with $3$ ratios,$ x:3:y = -2:3:-4$

Rates and Ratio work problem

Is this a correct/good way to think interpret differentials for the beginning calculus student?