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Finding the Third Proportional to 3,918,874.50 and 8,195,067

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Solution

The third proportional to 3,918,874.50 and 8,195,067 is: 17,137,349.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,918,874.50 : 8,195,067 = 8,195,067 : x
  2. Step 2: Convert to fraction form
    3,918,874.50/8,195,067 = 8,195,067/x
  3. Step 3: Cross multiply
    3,918,874.50x = 8,195,067 × 8,195,067
  4. Step 4: Simplify right side
    3,918,874.50x = 67,159,123,134,489
  5. Step 5: Solve for x
    x = 67,159,123,134,489/3,918,874.50
  6. Step 6: Final answer
    x = 17,137,349.80

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Why These Related Problems?

These problems maintain the same ratio (2.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.