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Finding the Third Proportional to 18,279,567 and 39,705,825

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Solution

The third proportional to 18,279,567 and 39,705,825 is: 86,246,711.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,279,567 : 39,705,825 = 39,705,825 : x
  2. Step 2: Convert to fraction form
    18,279,567/39,705,825 = 39,705,825/x
  3. Step 3: Cross multiply
    18,279,567x = 39,705,825 × 39,705,825
  4. Step 4: Simplify right side
    18,279,567x = 1,576,552,538,930,625
  5. Step 5: Solve for x
    x = 1,576,552,538,930,625/18,279,567
  6. Step 6: Final answer
    x = 86,246,711.37

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.