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Finding the Third Proportional to 8,664,019 and 13,469,879

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Solution

The third proportional to 8,664,019 and 13,469,879 is: 20,941,509.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,664,019 : 13,469,879 = 13,469,879 : x
  2. Step 2: Convert to fraction form
    8,664,019/13,469,879 = 13,469,879/x
  3. Step 3: Cross multiply
    8,664,019x = 13,469,879 × 13,469,879
  4. Step 4: Simplify right side
    8,664,019x = 181,437,640,274,641
  5. Step 5: Solve for x
    x = 181,437,640,274,641/8,664,019
  6. Step 6: Final answer
    x = 20,941,509.97

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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.