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Finding the Third Proportional to 240,774 and 518,548

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Solution

The third proportional to 240,774 and 518,548 is: 1,116,781.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,774 : 518,548 = 518,548 : x
  2. Step 2: Convert to fraction form
    240,774/518,548 = 518,548/x
  3. Step 3: Cross multiply
    240,774x = 518,548 × 518,548
  4. Step 4: Simplify right side
    240,774x = 268,892,028,304
  5. Step 5: Solve for x
    x = 268,892,028,304/240,774
  6. Step 6: Final answer
    x = 1,116,781.83

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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.