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Finding the Third Proportional to 60,800 and 90,957

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Solution

The third proportional to 60,800 and 90,957 is: 136,071.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,800 : 90,957 = 90,957 : x
  2. Step 2: Convert to fraction form
    60,800/90,957 = 90,957/x
  3. Step 3: Cross multiply
    60,800x = 90,957 × 90,957
  4. Step 4: Simplify right side
    60,800x = 8,273,175,849
  5. Step 5: Solve for x
    x = 8,273,175,849/60,800
  6. Step 6: Final answer
    x = 136,071.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.