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Finding the Third Proportional to 62,115 and 87,808

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Solution

The third proportional to 62,115 and 87,808 is: 124,128.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,115 : 87,808 = 87,808 : x
  2. Step 2: Convert to fraction form
    62,115/87,808 = 87,808/x
  3. Step 3: Cross multiply
    62,115x = 87,808 × 87,808
  4. Step 4: Simplify right side
    62,115x = 7,710,244,864
  5. Step 5: Solve for x
    x = 7,710,244,864/62,115
  6. Step 6: Final answer
    x = 124,128.55

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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.