Home / 3,530,999.25-5,456,220.75

Finding the Third Proportional to 3,530,999.25 and 5,456,220.75

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Solution

The third proportional to 3,530,999.25 and 5,456,220.75 is: 8,431,138.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,530,999.25 : 5,456,220.75 = 5,456,220.75 : x
  2. Step 2: Convert to fraction form
    3,530,999.25/5,456,220.75 = 5,456,220.75/x
  3. Step 3: Cross multiply
    3,530,999.25x = 5,456,220.75 × 5,456,220.75
  4. Step 4: Simplify right side
    3,530,999.25x = 29,770,344,872,730.56
  5. Step 5: Solve for x
    x = 29,770,344,872,730.56/3,530,999.25
  6. Step 6: Final answer
    x = 8,431,138.83

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.