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Finding the Third Proportional to 66,764 and 146,624

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Solution

The third proportional to 66,764 and 146,624 is: 322,008.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,764 : 146,624 = 146,624 : x
  2. Step 2: Convert to fraction form
    66,764/146,624 = 146,624/x
  3. Step 3: Cross multiply
    66,764x = 146,624 × 146,624
  4. Step 4: Simplify right side
    66,764x = 21,498,597,376
  5. Step 5: Solve for x
    x = 21,498,597,376/66,764
  6. Step 6: Final answer
    x = 322,008.83

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.