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Finding the Third Proportional to 124,992 and 268,452

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Solution

The third proportional to 124,992 and 268,452 is: 576,568.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,992 : 268,452 = 268,452 : x
  2. Step 2: Convert to fraction form
    124,992/268,452 = 268,452/x
  3. Step 3: Cross multiply
    124,992x = 268,452 × 268,452
  4. Step 4: Simplify right side
    124,992x = 72,066,476,304
  5. Step 5: Solve for x
    x = 72,066,476,304/124,992
  6. Step 6: Final answer
    x = 576,568.71

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.