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Finding the Third Proportional to 62,697.38 and 136,819.13

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Solution

The third proportional to 62,697.38 and 136,819.13 is: 298,568.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,697.38 : 136,819.13 = 136,819.13 : x
  2. Step 2: Convert to fraction form
    62,697.38/136,819.13 = 136,819.13/x
  3. Step 3: Cross multiply
    62,697.38x = 136,819.13 × 136,819.13
  4. Step 4: Simplify right side
    62,697.38x = 18,719,472,965.77
  5. Step 5: Solve for x
    x = 18,719,472,965.77/62,697.38
  6. Step 6: Final answer
    x = 298,568.69

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.