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Finding the Third Proportional to 61,836.75 and 87,355.13

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Solution

The third proportional to 61,836.75 and 87,355.13 is: 123,404.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,836.75 : 87,355.13 = 87,355.13 : x
  2. Step 2: Convert to fraction form
    61,836.75/87,355.13 = 87,355.13/x
  3. Step 3: Cross multiply
    61,836.75x = 87,355.13 × 87,355.13
  4. Step 4: Simplify right side
    61,836.75x = 7,630,917,863.77
  5. Step 5: Solve for x
    x = 7,630,917,863.77/61,836.75
  6. Step 6: Final answer
    x = 123,404.25

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.