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Finding the Third Proportional to 8,489,448 and 18,323,321

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Solution

The third proportional to 8,489,448 and 18,323,321 is: 39,548,400.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,489,448 : 18,323,321 = 18,323,321 : x
  2. Step 2: Convert to fraction form
    8,489,448/18,323,321 = 18,323,321/x
  3. Step 3: Cross multiply
    8,489,448x = 18,323,321 × 18,323,321
  4. Step 4: Simplify right side
    8,489,448x = 335,744,092,469,041
  5. Step 5: Solve for x
    x = 335,744,092,469,041/8,489,448
  6. Step 6: Final answer
    x = 39,548,400.85

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.