Finding the Third Proportional to 66,512.13 and 99,765.19
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Solution
The third proportional to 66,512.13 and 99,765.19 is: 149,643.28
Step by Step Solution
- Step 1: Write the proportion equation
66,512.13 : 99,765.19 = 99,765.19 : x - Step 2: Convert to fraction form
66,512.13/99,765.19 = 99,765.19/x - Step 3: Cross multiply
66,512.13x = 99,765.19 × 99,765.19 - Step 4: Simplify right side
66,512.13x = 9,953,092,636.91 - Step 5: Solve for x
x = 9,953,092,636.91/66,512.13 - Step 6: Final answer
x = 149,643.28
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.