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Finding the Third Proportional to 3,155,446 and 6,911,530

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Solution

The third proportional to 3,155,446 and 6,911,530 is: 15,138,667.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,155,446 : 6,911,530 = 6,911,530 : x
  2. Step 2: Convert to fraction form
    3,155,446/6,911,530 = 6,911,530/x
  3. Step 3: Cross multiply
    3,155,446x = 6,911,530 × 6,911,530
  4. Step 4: Simplify right side
    3,155,446x = 47,769,246,940,900
  5. Step 5: Solve for x
    x = 47,769,246,940,900/3,155,446
  6. Step 6: Final answer
    x = 15,138,667.23

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.