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Finding the Third Proportional to 66,723 and 146,567

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Solution

The third proportional to 66,723 and 146,567 is: 321,956.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,723 : 146,567 = 146,567 : x
  2. Step 2: Convert to fraction form
    66,723/146,567 = 146,567/x
  3. Step 3: Cross multiply
    66,723x = 146,567 × 146,567
  4. Step 4: Simplify right side
    66,723x = 21,481,885,489
  5. Step 5: Solve for x
    x = 21,481,885,489/66,723
  6. Step 6: Final answer
    x = 321,956.23

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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.