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Finding the Third Proportional to 3,940,912 and 8,471,192

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Solution

The third proportional to 3,940,912 and 8,471,192 is: 18,209,260.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,940,912 : 8,471,192 = 8,471,192 : x
  2. Step 2: Convert to fraction form
    3,940,912/8,471,192 = 8,471,192/x
  3. Step 3: Cross multiply
    3,940,912x = 8,471,192 × 8,471,192
  4. Step 4: Simplify right side
    3,940,912x = 71,761,093,900,864
  5. Step 5: Solve for x
    x = 71,761,093,900,864/3,940,912
  6. Step 6: Final answer
    x = 18,209,260.67

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