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Finding the Third Proportional to 5,176,617 and 8,007,198

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Solution

The third proportional to 5,176,617 and 8,007,198 is: 12,385,544.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,176,617 : 8,007,198 = 8,007,198 : x
  2. Step 2: Convert to fraction form
    5,176,617/8,007,198 = 8,007,198/x
  3. Step 3: Cross multiply
    5,176,617x = 8,007,198 × 8,007,198
  4. Step 4: Simplify right side
    5,176,617x = 64,115,219,811,204
  5. Step 5: Solve for x
    x = 64,115,219,811,204/5,176,617
  6. Step 6: Final answer
    x = 12,385,544.42

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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.