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Finding the Third Proportional to 1,872,891 and 4,029,849

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Solution

The third proportional to 1,872,891 and 4,029,849 is: 8,670,917.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,872,891 : 4,029,849 = 4,029,849 : x
  2. Step 2: Convert to fraction form
    1,872,891/4,029,849 = 4,029,849/x
  3. Step 3: Cross multiply
    1,872,891x = 4,029,849 × 4,029,849
  4. Step 4: Simplify right side
    1,872,891x = 16,239,682,962,801
  5. Step 5: Solve for x
    x = 16,239,682,962,801/1,872,891
  6. Step 6: Final answer
    x = 8,670,917.29

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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.