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Finding the Third Proportional to 85,438.13 and 132,634.13

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Solution

The third proportional to 85,438.13 and 132,634.13 is: 205,901.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,438.13 : 132,634.13 = 132,634.13 : x
  2. Step 2: Convert to fraction form
    85,438.13/132,634.13 = 132,634.13/x
  3. Step 3: Cross multiply
    85,438.13x = 132,634.13 × 132,634.13
  4. Step 4: Simplify right side
    85,438.13x = 17,591,811,114.52
  5. Step 5: Solve for x
    x = 17,591,811,114.52/85,438.13
  6. Step 6: Final answer
    x = 205,901.18

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.