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Finding the Third Proportional to 131,331 and 286,446

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Solution

The third proportional to 131,331 and 286,446 is: 624,767.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,331 : 286,446 = 286,446 : x
  2. Step 2: Convert to fraction form
    131,331/286,446 = 286,446/x
  3. Step 3: Cross multiply
    131,331x = 286,446 × 286,446
  4. Step 4: Simplify right side
    131,331x = 82,051,310,916
  5. Step 5: Solve for x
    x = 82,051,310,916/131,331
  6. Step 6: Final answer
    x = 624,767.27

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.