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Finding the Third Proportional to 62,515.13 and 129,404.25

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Solution

The third proportional to 62,515.13 and 129,404.25 is: 267,862.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,515.13 : 129,404.25 = 129,404.25 : x
  2. Step 2: Convert to fraction form
    62,515.13/129,404.25 = 129,404.25/x
  3. Step 3: Cross multiply
    62,515.13x = 129,404.25 × 129,404.25
  4. Step 4: Simplify right side
    62,515.13x = 16,745,459,918.06
  5. Step 5: Solve for x
    x = 16,745,459,918.06/62,515.13
  6. Step 6: Final answer
    x = 267,862.54

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Why These Related Problems?

These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.