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Finding the Third Proportional to 7,068,957,055 and 10,542,134,408

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Solution

The third proportional to 7,068,957,055 and 10,542,134,408 is: 15,721,781,446.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,068,957,055 : 10,542,134,408 = 10,542,134,408 : x
  2. Step 2: Convert to fraction form
    7,068,957,055/10,542,134,408 = 10,542,134,408/x
  3. Step 3: Cross multiply
    7,068,957,055x = 10,542,134,408 × 10,542,134,408
  4. Step 4: Simplify right side
    7,068,957,055x = 111,136,597,876,337,508,352
  5. Step 5: Solve for x
    x = 111,136,597,876,337,508,352/7,068,957,055
  6. Step 6: Final answer
    x = 15,721,781,446.91

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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.