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Finding the Third Proportional to 42,950 and 62,777

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Solution

The third proportional to 42,950 and 62,777 is: 91,756.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,950 : 62,777 = 62,777 : x
  2. Step 2: Convert to fraction form
    42,950/62,777 = 62,777/x
  3. Step 3: Cross multiply
    42,950x = 62,777 × 62,777
  4. Step 4: Simplify right side
    42,950x = 3,940,951,729
  5. Step 5: Solve for x
    x = 3,940,951,729/42,950
  6. Step 6: Final answer
    x = 91,756.73

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.