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Finding the Third Proportional to 3,979,616,134 and 8,518,273,758

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Solution

The third proportional to 3,979,616,134 and 8,518,273,758 is: 18,233,162,539.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,979,616,134 : 8,518,273,758 = 8,518,273,758 : x
  2. Step 2: Convert to fraction form
    3,979,616,134/8,518,273,758 = 8,518,273,758/x
  3. Step 3: Cross multiply
    3,979,616,134x = 8,518,273,758 × 8,518,273,758
  4. Step 4: Simplify right side
    3,979,616,134x = 72,560,987,816,231,444,480
  5. Step 5: Solve for x
    x = 72,560,987,816,231,444,480/3,979,616,134
  6. Step 6: Final answer
    x = 18,233,162,539.55

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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.