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Finding the Third Proportional to 13,945,447 and 30,131,687

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Solution

The third proportional to 13,945,447 and 30,131,687 is: 65,105,016.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,945,447 : 30,131,687 = 30,131,687 : x
  2. Step 2: Convert to fraction form
    13,945,447/30,131,687 = 30,131,687/x
  3. Step 3: Cross multiply
    13,945,447x = 30,131,687 × 30,131,687
  4. Step 4: Simplify right side
    13,945,447x = 907,918,561,465,969
  5. Step 5: Solve for x
    x = 907,918,561,465,969/13,945,447
  6. Step 6: Final answer
    x = 65,105,016.82

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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.