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Finding the Third Proportional to 144,481 and 191,711

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Solution

The third proportional to 144,481 and 191,711 is: 254,380.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,481 : 191,711 = 191,711 : x
  2. Step 2: Convert to fraction form
    144,481/191,711 = 191,711/x
  3. Step 3: Cross multiply
    144,481x = 191,711 × 191,711
  4. Step 4: Simplify right side
    144,481x = 36,753,107,521
  5. Step 5: Solve for x
    x = 36,753,107,521/144,481
  6. Step 6: Final answer
    x = 254,380.21

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Why These Related Problems?

These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.