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Finding the Third Proportional to 338,842 and 451,727

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Solution

The third proportional to 338,842 and 451,727 is: 602,219.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,842 : 451,727 = 451,727 : x
  2. Step 2: Convert to fraction form
    338,842/451,727 = 451,727/x
  3. Step 3: Cross multiply
    338,842x = 451,727 × 451,727
  4. Step 4: Simplify right side
    338,842x = 204,057,282,529
  5. Step 5: Solve for x
    x = 204,057,282,529/338,842
  6. Step 6: Final answer
    x = 602,219.57

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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.