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Finding the Third Proportional to 18,181,757 and 40,399,366

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Solution

The third proportional to 18,181,757 and 40,399,366 is: 89,766,284.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,181,757 : 40,399,366 = 40,399,366 : x
  2. Step 2: Convert to fraction form
    18,181,757/40,399,366 = 40,399,366/x
  3. Step 3: Cross multiply
    18,181,757x = 40,399,366 × 40,399,366
  4. Step 4: Simplify right side
    18,181,757x = 1,632,108,773,201,956
  5. Step 5: Solve for x
    x = 1,632,108,773,201,956/18,181,757
  6. Step 6: Final answer
    x = 89,766,284.59

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Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.