Finding the Third Proportional to 86,171.50 and 129,348
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Solution
The third proportional to 86,171.50 and 129,348 is: 194,158.22
Step by Step Solution
- Step 1: Write the proportion equation
86,171.50 : 129,348 = 129,348 : x - Step 2: Convert to fraction form
86,171.50/129,348 = 129,348/x - Step 3: Cross multiply
86,171.50x = 129,348 × 129,348 - Step 4: Simplify right side
86,171.50x = 16,730,905,104 - Step 5: Solve for x
x = 16,730,905,104/86,171.50 - Step 6: Final answer
x = 194,158.22
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.