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Finding the Third Proportional to 18,279,573 and 39,705,837

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Solution

The third proportional to 18,279,573 and 39,705,837 is: 86,246,735.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,279,573 : 39,705,837 = 39,705,837 : x
  2. Step 2: Convert to fraction form
    18,279,573/39,705,837 = 39,705,837/x
  3. Step 3: Cross multiply
    18,279,573x = 39,705,837 × 39,705,837
  4. Step 4: Simplify right side
    18,279,573x = 1,576,553,491,870,569
  5. Step 5: Solve for x
    x = 1,576,553,491,870,569/18,279,573
  6. Step 6: Final answer
    x = 86,246,735.19

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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.