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Finding the Third Proportional to 8,199,968,124 and 12,246,218,508

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Solution

The third proportional to 8,199,968,124 and 12,246,218,508 is: 18,289,079,357.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,199,968,124 : 12,246,218,508 = 12,246,218,508 : x
  2. Step 2: Convert to fraction form
    8,199,968,124/12,246,218,508 = 12,246,218,508/x
  3. Step 3: Cross multiply
    8,199,968,124x = 12,246,218,508 × 12,246,218,508
  4. Step 4: Simplify right side
    8,199,968,124x = 149,969,867,745,681,735,680
  5. Step 5: Solve for x
    x = 149,969,867,745,681,735,680/8,199,968,124
  6. Step 6: Final answer
    x = 18,289,079,357.12

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.