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Finding the Third Proportional to 61,928 and 131,848

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Solution

The third proportional to 61,928 and 131,848 is: 280,711.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,928 : 131,848 = 131,848 : x
  2. Step 2: Convert to fraction form
    61,928/131,848 = 131,848/x
  3. Step 3: Cross multiply
    61,928x = 131,848 × 131,848
  4. Step 4: Simplify right side
    61,928x = 17,383,895,104
  5. Step 5: Solve for x
    x = 17,383,895,104/61,928
  6. Step 6: Final answer
    x = 280,711.39

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.