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Finding the Third Proportional to 18,709,292 and 27,987,645

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Solution

The third proportional to 18,709,292 and 27,987,645 is: 41,867,339.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,709,292 : 27,987,645 = 27,987,645 : x
  2. Step 2: Convert to fraction form
    18,709,292/27,987,645 = 27,987,645/x
  3. Step 3: Cross multiply
    18,709,292x = 27,987,645 × 27,987,645
  4. Step 4: Simplify right side
    18,709,292x = 783,308,272,646,025
  5. Step 5: Solve for x
    x = 783,308,272,646,025/18,709,292
  6. Step 6: Final answer
    x = 41,867,339.11

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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.