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Finding the Third Proportional to 4,420,938 and 6,647,811

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Solution

The third proportional to 4,420,938 and 6,647,811 is: 9,996,383.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,420,938 : 6,647,811 = 6,647,811 : x
  2. Step 2: Convert to fraction form
    4,420,938/6,647,811 = 6,647,811/x
  3. Step 3: Cross multiply
    4,420,938x = 6,647,811 × 6,647,811
  4. Step 4: Simplify right side
    4,420,938x = 44,193,391,091,721
  5. Step 5: Solve for x
    x = 44,193,391,091,721/4,420,938
  6. Step 6: Final answer
    x = 9,996,383.37

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.