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Finding the Third Proportional to 20,489,731.88 and 41,802,496.88

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Solution

The third proportional to 20,489,731.88 and 41,802,496.88 is: 85,284,119.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,489,731.88 : 41,802,496.88 = 41,802,496.88 : x
  2. Step 2: Convert to fraction form
    20,489,731.88/41,802,496.88 = 41,802,496.88/x
  3. Step 3: Cross multiply
    20,489,731.88x = 41,802,496.88 × 41,802,496.88
  4. Step 4: Simplify right side
    20,489,731.88x = 1,747,448,744,984,384.75
  5. Step 5: Solve for x
    x = 1,747,448,744,984,384.75/20,489,731.88
  6. Step 6: Final answer
    x = 85,284,119.66

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Why These Related Problems?

These problems maintain the same ratio (2.04) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.