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Finding the Third Proportional to 381,274,792 and 571,399,944

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Solution

The third proportional to 381,274,792 and 571,399,944 is: 856,332,238.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,274,792 : 571,399,944 = 571,399,944 : x
  2. Step 2: Convert to fraction form
    381,274,792/571,399,944 = 571,399,944/x
  3. Step 3: Cross multiply
    381,274,792x = 571,399,944 × 571,399,944
  4. Step 4: Simplify right side
    381,274,792x = 326,497,896,003,203,136
  5. Step 5: Solve for x
    x = 326,497,896,003,203,136/381,274,792
  6. Step 6: Final answer
    x = 856,332,238.20

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.