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Finding the Third Proportional to 76,708 and 166,568

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Solution

The third proportional to 76,708 and 166,568 is: 361,694.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,708 : 166,568 = 166,568 : x
  2. Step 2: Convert to fraction form
    76,708/166,568 = 166,568/x
  3. Step 3: Cross multiply
    76,708x = 166,568 × 166,568
  4. Step 4: Simplify right side
    76,708x = 27,744,898,624
  5. Step 5: Solve for x
    x = 27,744,898,624/76,708
  6. Step 6: Final answer
    x = 361,694.98

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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.