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Finding the Third Proportional to 13,945,448 and 30,131,689

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Solution

The third proportional to 13,945,448 and 30,131,689 is: 65,105,020.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,945,448 : 30,131,689 = 30,131,689 : x
  2. Step 2: Convert to fraction form
    13,945,448/30,131,689 = 30,131,689/x
  3. Step 3: Cross multiply
    13,945,448x = 30,131,689 × 30,131,689
  4. Step 4: Simplify right side
    13,945,448x = 907,918,681,992,721
  5. Step 5: Solve for x
    x = 907,918,681,992,721/13,945,448
  6. Step 6: Final answer
    x = 65,105,020.79

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.