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Finding the Third Proportional to 50,469 and 77,811

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Solution

The third proportional to 50,469 and 77,811 is: 119,965.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,469 : 77,811 = 77,811 : x
  2. Step 2: Convert to fraction form
    50,469/77,811 = 77,811/x
  3. Step 3: Cross multiply
    50,469x = 77,811 × 77,811
  4. Step 4: Simplify right side
    50,469x = 6,054,551,721
  5. Step 5: Solve for x
    x = 6,054,551,721/50,469
  6. Step 6: Final answer
    x = 119,965.76

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.