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Finding the Third Proportional to 5,451,347 and 11,857,198

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Solution

The third proportional to 5,451,347 and 11,857,198 is: 25,790,532.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,451,347 : 11,857,198 = 11,857,198 : x
  2. Step 2: Convert to fraction form
    5,451,347/11,857,198 = 11,857,198/x
  3. Step 3: Cross multiply
    5,451,347x = 11,857,198 × 11,857,198
  4. Step 4: Simplify right side
    5,451,347x = 140,593,144,411,204
  5. Step 5: Solve for x
    x = 140,593,144,411,204/5,451,347
  6. Step 6: Final answer
    x = 25,790,532.95

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.