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Finding the Third Proportional to 3,888,081 and 8,372,187

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Solution

The third proportional to 3,888,081 and 8,372,187 is: 18,027,791.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,888,081 : 8,372,187 = 8,372,187 : x
  2. Step 2: Convert to fraction form
    3,888,081/8,372,187 = 8,372,187/x
  3. Step 3: Cross multiply
    3,888,081x = 8,372,187 × 8,372,187
  4. Step 4: Simplify right side
    3,888,081x = 70,093,515,162,969
  5. Step 5: Solve for x
    x = 70,093,515,162,969/3,888,081
  6. Step 6: Final answer
    x = 18,027,791.90

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.