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Finding the Third Proportional to 1,198,821 and 2,568,638

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Solution

The third proportional to 1,198,821 and 2,568,638 is: 5,503,658.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,198,821 : 2,568,638 = 2,568,638 : x
  2. Step 2: Convert to fraction form
    1,198,821/2,568,638 = 2,568,638/x
  3. Step 3: Cross multiply
    1,198,821x = 2,568,638 × 2,568,638
  4. Step 4: Simplify right side
    1,198,821x = 6,597,901,175,044
  5. Step 5: Solve for x
    x = 6,597,901,175,044/1,198,821
  6. Step 6: Final answer
    x = 5,503,658.32

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.