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Finding the Third Proportional to 2,920,606 and 6,391,782

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Solution

The third proportional to 2,920,606 and 6,391,782 is: 13,988,493.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,920,606 : 6,391,782 = 6,391,782 : x
  2. Step 2: Convert to fraction form
    2,920,606/6,391,782 = 6,391,782/x
  3. Step 3: Cross multiply
    2,920,606x = 6,391,782 × 6,391,782
  4. Step 4: Simplify right side
    2,920,606x = 40,854,877,135,524
  5. Step 5: Solve for x
    x = 40,854,877,135,524/2,920,606
  6. Step 6: Final answer
    x = 13,988,493.19

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.