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Finding the Third Proportional to 8,199,885 and 18,006,669

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Solution

The third proportional to 8,199,885 and 18,006,669 is: 39,542,033.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,199,885 : 18,006,669 = 18,006,669 : x
  2. Step 2: Convert to fraction form
    8,199,885/18,006,669 = 18,006,669/x
  3. Step 3: Cross multiply
    8,199,885x = 18,006,669 × 18,006,669
  4. Step 4: Simplify right side
    8,199,885x = 324,240,128,475,561
  5. Step 5: Solve for x
    x = 324,240,128,475,561/8,199,885
  6. Step 6: Final answer
    x = 39,542,033.64

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.