RATIO AND PROPORTION PROBLEMS (2) To see the answer, pass your mouse over the colored area. 4. What is a proportion? A statement that two ratios are the same. 5. Why is each of the following a proportion? 5. a) 2 is to 6 as 10 is to 30. 2 is the third part of 6, just as 10 is the third part of 30. 5. b) 12 is to 3 as 24 is to 6. 12 is four times 3, just as 24 is four times 6. 5. c) 2 is to 3 as 10 is to 15. 2 is two thirds of 3, just as 10 is two thirds of 15. 6. In each of the following, what ratio has 6.
a) 6.
b) 6.
c) 7. a) 5 : 1 = 10 : 2.
"5 is to 1 as 10 is to 2." b) 2 : 8 = 6 : 24.
"2 is to 8 as 6 is to 24." c) 75 : 100 = 3 : 4.
"75 is to 100 as 3 is to 4." 8. Complete each proportion.
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