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Finding the Third Proportional to 60,561 and 91,935

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Solution

The third proportional to 60,561 and 91,935 is: 139,562.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,561 : 91,935 = 91,935 : x
  2. Step 2: Convert to fraction form
    60,561/91,935 = 91,935/x
  3. Step 3: Cross multiply
    60,561x = 91,935 × 91,935
  4. Step 4: Simplify right side
    60,561x = 8,452,044,225
  5. Step 5: Solve for x
    x = 8,452,044,225/60,561
  6. Step 6: Final answer
    x = 139,562.49

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.