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Finding the Third Proportional to 62,836.38 and 87,897.66

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Solution

The third proportional to 62,836.38 and 87,897.66 is: 122,954.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,836.38 : 87,897.66 = 87,897.66 : x
  2. Step 2: Convert to fraction form
    62,836.38/87,897.66 = 87,897.66/x
  3. Step 3: Cross multiply
    62,836.38x = 87,897.66 × 87,897.66
  4. Step 4: Simplify right side
    62,836.38x = 7,725,997,974.24
  5. Step 5: Solve for x
    x = 7,725,997,974.24/62,836.38
  6. Step 6: Final answer
    x = 122,954.21

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.