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Finding the Third Proportional to 131,304 and 203,676

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Solution

The third proportional to 131,304 and 203,676 is: 315,937.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,304 : 203,676 = 203,676 : x
  2. Step 2: Convert to fraction form
    131,304/203,676 = 203,676/x
  3. Step 3: Cross multiply
    131,304x = 203,676 × 203,676
  4. Step 4: Simplify right side
    131,304x = 41,483,912,976
  5. Step 5: Solve for x
    x = 41,483,912,976/131,304
  6. Step 6: Final answer
    x = 315,937.92

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.