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Finding the Third Proportional to 1,722,389 and 4,022,999

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Solution

The third proportional to 1,722,389 and 4,022,999 is: 9,396,553.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,722,389 : 4,022,999 = 4,022,999 : x
  2. Step 2: Convert to fraction form
    1,722,389/4,022,999 = 4,022,999/x
  3. Step 3: Cross multiply
    1,722,389x = 4,022,999 × 4,022,999
  4. Step 4: Simplify right side
    1,722,389x = 16,184,520,954,001
  5. Step 5: Solve for x
    x = 16,184,520,954,001/1,722,389
  6. Step 6: Final answer
    x = 9,396,553.83

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Why These Related Problems?

These problems maintain the same ratio (2.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.