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Finding the Third Proportional to 57,626 and 77,511

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Solution

The third proportional to 57,626 and 77,511 is: 104,257.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,626 : 77,511 = 77,511 : x
  2. Step 2: Convert to fraction form
    57,626/77,511 = 77,511/x
  3. Step 3: Cross multiply
    57,626x = 77,511 × 77,511
  4. Step 4: Simplify right side
    57,626x = 6,007,955,121
  5. Step 5: Solve for x
    x = 6,007,955,121/57,626
  6. Step 6: Final answer
    x = 104,257.72

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Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.