Finding the Third Proportional to 66,539.25 and 145,959.75
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Solution
The third proportional to 66,539.25 and 145,959.75 is: 320,175.67
Step by Step Solution
- Step 1: Write the proportion equation
66,539.25 : 145,959.75 = 145,959.75 : x - Step 2: Convert to fraction form
66,539.25/145,959.75 = 145,959.75/x - Step 3: Cross multiply
66,539.25x = 145,959.75 × 145,959.75 - Step 4: Simplify right side
66,539.25x = 21,304,248,620.06 - Step 5: Solve for x
x = 21,304,248,620.06/66,539.25 - Step 6: Final answer
x = 320,175.67
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Why These Related Problems?
These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.