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Finding the Third Proportional to 11,957,063 and 18,565,451

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Solution

The third proportional to 11,957,063 and 18,565,451 is: 28,826,139.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,957,063 : 18,565,451 = 18,565,451 : x
  2. Step 2: Convert to fraction form
    11,957,063/18,565,451 = 18,565,451/x
  3. Step 3: Cross multiply
    11,957,063x = 18,565,451 × 18,565,451
  4. Step 4: Simplify right side
    11,957,063x = 344,675,970,833,401
  5. Step 5: Solve for x
    x = 344,675,970,833,401/11,957,063
  6. Step 6: Final answer
    x = 28,826,139.90

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.