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Finding the Third Proportional to 18,261,969 and 40,176,287.25

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Solution

The third proportional to 18,261,969 and 40,176,287.25 is: 88,387,733.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,261,969 : 40,176,287.25 = 40,176,287.25 : x
  2. Step 2: Convert to fraction form
    18,261,969/40,176,287.25 = 40,176,287.25/x
  3. Step 3: Cross multiply
    18,261,969x = 40,176,287.25 × 40,176,287.25
  4. Step 4: Simplify right side
    18,261,969x = 1,614,134,057,194,512.50
  5. Step 5: Solve for x
    x = 1,614,134,057,194,512.50/18,261,969
  6. Step 6: Final answer
    x = 88,387,733.94

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.