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Finding the Third Proportional to 88,129.69 and 132,391.13

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Solution

The third proportional to 88,129.69 and 132,391.13 is: 198,882.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,129.69 : 132,391.13 = 132,391.13 : x
  2. Step 2: Convert to fraction form
    88,129.69/132,391.13 = 132,391.13/x
  3. Step 3: Cross multiply
    88,129.69x = 132,391.13 × 132,391.13
  4. Step 4: Simplify right side
    88,129.69x = 17,527,409,978.77
  5. Step 5: Solve for x
    x = 17,527,409,978.77/88,129.69
  6. Step 6: Final answer
    x = 198,882.02

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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.