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Finding the Third Proportional to 2,690,342,742 and 3,786,944,520

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Solution

The third proportional to 2,690,342,742 and 3,786,944,520 is: 5,330,528,550.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,690,342,742 : 3,786,944,520 = 3,786,944,520 : x
  2. Step 2: Convert to fraction form
    2,690,342,742/3,786,944,520 = 3,786,944,520/x
  3. Step 3: Cross multiply
    2,690,342,742x = 3,786,944,520 × 3,786,944,520
  4. Step 4: Simplify right side
    2,690,342,742x = 14,340,948,797,558,030,336
  5. Step 5: Solve for x
    x = 14,340,948,797,558,030,336/2,690,342,742
  6. Step 6: Final answer
    x = 5,330,528,550.76

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.