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Finding the Third Proportional to 18,709,296 and 27,987,651

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Solution

The third proportional to 18,709,296 and 27,987,651 is: 41,867,348.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,709,296 : 27,987,651 = 27,987,651 : x
  2. Step 2: Convert to fraction form
    18,709,296/27,987,651 = 27,987,651/x
  3. Step 3: Cross multiply
    18,709,296x = 27,987,651 × 27,987,651
  4. Step 4: Simplify right side
    18,709,296x = 783,308,608,497,801
  5. Step 5: Solve for x
    x = 783,308,608,497,801/18,709,296
  6. Step 6: Final answer
    x = 41,867,348.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.