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Finding the Third Proportional to 124,902 and 261,711

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Solution

The third proportional to 124,902 and 261,711 is: 548,371.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,902 : 261,711 = 261,711 : x
  2. Step 2: Convert to fraction form
    124,902/261,711 = 261,711/x
  3. Step 3: Cross multiply
    124,902x = 261,711 × 261,711
  4. Step 4: Simplify right side
    124,902x = 68,492,647,521
  5. Step 5: Solve for x
    x = 68,492,647,521/124,902
  6. Step 6: Final answer
    x = 548,371.10

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.