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Finding the Third Proportional to 1,872,879 and 4,029,825

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Solution

The third proportional to 1,872,879 and 4,029,825 is: 8,670,869.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,872,879 : 4,029,825 = 4,029,825 : x
  2. Step 2: Convert to fraction form
    1,872,879/4,029,825 = 4,029,825/x
  3. Step 3: Cross multiply
    1,872,879x = 4,029,825 × 4,029,825
  4. Step 4: Simplify right side
    1,872,879x = 16,239,489,530,625
  5. Step 5: Solve for x
    x = 16,239,489,530,625/1,872,879
  6. Step 6: Final answer
    x = 8,670,869.57

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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.