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Finding the Third Proportional to 51,997.75 and 106,459

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Solution

The third proportional to 51,997.75 and 106,459 is: 217,961.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,997.75 : 106,459 = 106,459 : x
  2. Step 2: Convert to fraction form
    51,997.75/106,459 = 106,459/x
  3. Step 3: Cross multiply
    51,997.75x = 106,459 × 106,459
  4. Step 4: Simplify right side
    51,997.75x = 11,333,518,681
  5. Step 5: Solve for x
    x = 11,333,518,681/51,997.75
  6. Step 6: Final answer
    x = 217,961.71

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Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.