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Finding the Third Proportional to 2,728,369,755 and 5,919,829,517.25

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Solution

The third proportional to 2,728,369,755 and 5,919,829,517.25 is: 12,844,439,962.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,728,369,755 : 5,919,829,517.25 = 5,919,829,517.25 : x
  2. Step 2: Convert to fraction form
    2,728,369,755/5,919,829,517.25 = 5,919,829,517.25/x
  3. Step 3: Cross multiply
    2,728,369,755x = 5,919,829,517.25 × 5,919,829,517.25
  4. Step 4: Simplify right side
    2,728,369,755x = 35,044,381,513,304,367,104
  5. Step 5: Solve for x
    x = 35,044,381,513,304,367,104/2,728,369,755
  6. Step 6: Final answer
    x = 12,844,439,962.39

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.