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Finding the Third Proportional to 327,609 and 493,719

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Solution

The third proportional to 327,609 and 493,719 is: 744,052.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,609 : 493,719 = 493,719 : x
  2. Step 2: Convert to fraction form
    327,609/493,719 = 493,719/x
  3. Step 3: Cross multiply
    327,609x = 493,719 × 493,719
  4. Step 4: Simplify right side
    327,609x = 243,758,450,961
  5. Step 5: Solve for x
    x = 243,758,450,961/327,609
  6. Step 6: Final answer
    x = 744,052.97

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.