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Finding the Third Proportional to 239,762 and 486,612

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Solution

The third proportional to 239,762 and 486,612 is: 987,609.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,762 : 486,612 = 486,612 : x
  2. Step 2: Convert to fraction form
    239,762/486,612 = 486,612/x
  3. Step 3: Cross multiply
    239,762x = 486,612 × 486,612
  4. Step 4: Simplify right side
    239,762x = 236,791,238,544
  5. Step 5: Solve for x
    x = 236,791,238,544/239,762
  6. Step 6: Final answer
    x = 987,609.54

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Why These Related Problems?

These problems maintain the same ratio (2.03) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.