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Finding the Third Proportional to 97,402.13 and 145,711.50

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Solution

The third proportional to 97,402.13 and 145,711.50 is: 217,981.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,402.13 : 145,711.50 = 145,711.50 : x
  2. Step 2: Convert to fraction form
    97,402.13/145,711.50 = 145,711.50/x
  3. Step 3: Cross multiply
    97,402.13x = 145,711.50 × 145,711.50
  4. Step 4: Simplify right side
    97,402.13x = 21,231,841,232.25
  5. Step 5: Solve for x
    x = 21,231,841,232.25/97,402.13
  6. Step 6: Final answer
    x = 217,981.29

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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.