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Finding the Third Proportional to 80,759,350 and 177,667,508

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Solution

The third proportional to 80,759,350 and 177,667,508 is: 390,861,781.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,759,350 : 177,667,508 = 177,667,508 : x
  2. Step 2: Convert to fraction form
    80,759,350/177,667,508 = 177,667,508/x
  3. Step 3: Cross multiply
    80,759,350x = 177,667,508 × 177,667,508
  4. Step 4: Simplify right side
    80,759,350x = 31,565,743,398,930,064
  5. Step 5: Solve for x
    x = 31,565,743,398,930,064/80,759,350
  6. Step 6: Final answer
    x = 390,861,781.32

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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.