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Finding the Third Proportional to 49,170 and 106,666

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Solution

The third proportional to 49,170 and 106,666 is: 231,393.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,170 : 106,666 = 106,666 : x
  2. Step 2: Convert to fraction form
    49,170/106,666 = 106,666/x
  3. Step 3: Cross multiply
    49,170x = 106,666 × 106,666
  4. Step 4: Simplify right side
    49,170x = 11,377,635,556
  5. Step 5: Solve for x
    x = 11,377,635,556/49,170
  6. Step 6: Final answer
    x = 231,393.85

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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.