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Finding the Third Proportional to 18,181,769 and 40,399,389

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Solution

The third proportional to 18,181,769 and 40,399,389 is: 89,766,327.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,181,769 : 40,399,389 = 40,399,389 : x
  2. Step 2: Convert to fraction form
    18,181,769/40,399,389 = 40,399,389/x
  3. Step 3: Cross multiply
    18,181,769x = 40,399,389 × 40,399,389
  4. Step 4: Simplify right side
    18,181,769x = 1,632,110,631,573,321
  5. Step 5: Solve for x
    x = 1,632,110,631,573,321/18,181,769
  6. Step 6: Final answer
    x = 89,766,327.55

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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.