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Finding the Third Proportional to 61,337 and 131,418

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Solution

The third proportional to 61,337 and 131,418 is: 281,570.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,337 : 131,418 = 131,418 : x
  2. Step 2: Convert to fraction form
    61,337/131,418 = 131,418/x
  3. Step 3: Cross multiply
    61,337x = 131,418 × 131,418
  4. Step 4: Simplify right side
    61,337x = 17,270,690,724
  5. Step 5: Solve for x
    x = 17,270,690,724/61,337
  6. Step 6: Final answer
    x = 281,570.52

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.