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Finding the Third Proportional to 49,172 and 106,670

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Solution

The third proportional to 49,172 and 106,670 is: 231,401.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,172 : 106,670 = 106,670 : x
  2. Step 2: Convert to fraction form
    49,172/106,670 = 106,670/x
  3. Step 3: Cross multiply
    49,172x = 106,670 × 106,670
  4. Step 4: Simplify right side
    49,172x = 11,378,488,900
  5. Step 5: Solve for x
    x = 11,378,488,900/49,172
  6. Step 6: Final answer
    x = 231,401.79

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.