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Finding the Third Proportional to 124,209 and 268,092

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Solution

The third proportional to 124,209 and 268,092 is: 578,648.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,209 : 268,092 = 268,092 : x
  2. Step 2: Convert to fraction form
    124,209/268,092 = 268,092/x
  3. Step 3: Cross multiply
    124,209x = 268,092 × 268,092
  4. Step 4: Simplify right side
    124,209x = 71,873,320,464
  5. Step 5: Solve for x
    x = 71,873,320,464/124,209
  6. Step 6: Final answer
    x = 578,648.25

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.