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Finding the Third Proportional to 8,280,849 and 18,019,698

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Solution

The third proportional to 8,280,849 and 18,019,698 is: 39,212,104.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,280,849 : 18,019,698 = 18,019,698 : x
  2. Step 2: Convert to fraction form
    8,280,849/18,019,698 = 18,019,698/x
  3. Step 3: Cross multiply
    8,280,849x = 18,019,698 × 18,019,698
  4. Step 4: Simplify right side
    8,280,849x = 324,709,516,011,204
  5. Step 5: Solve for x
    x = 324,709,516,011,204/8,280,849
  6. Step 6: Final answer
    x = 39,212,104.46

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.