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Finding the Third Proportional to 3,979,616,717 and 8,518,274,941

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Solution

The third proportional to 3,979,616,717 and 8,518,274,941 is: 18,233,164,932.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,979,616,717 : 8,518,274,941 = 8,518,274,941 : x
  2. Step 2: Convert to fraction form
    3,979,616,717/8,518,274,941 = 8,518,274,941/x
  3. Step 3: Cross multiply
    3,979,616,717x = 8,518,274,941 × 8,518,274,941
  4. Step 4: Simplify right side
    3,979,616,717x = 72,561,007,970,468,552,704
  5. Step 5: Solve for x
    x = 72,561,007,970,468,552,704/3,979,616,717
  6. Step 6: Final answer
    x = 18,233,164,932.82

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.