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Finding the Third Proportional to 239,601,960 and 342,396,744

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Solution

The third proportional to 239,601,960 and 342,396,744 is: 489,292,868.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,601,960 : 342,396,744 = 342,396,744 : x
  2. Step 2: Convert to fraction form
    239,601,960/342,396,744 = 342,396,744/x
  3. Step 3: Cross multiply
    239,601,960x = 342,396,744 × 342,396,744
  4. Step 4: Simplify right side
    239,601,960x = 117,235,530,301,801,536
  5. Step 5: Solve for x
    x = 117,235,530,301,801,536/239,601,960
  6. Step 6: Final answer
    x = 489,292,868.48

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.