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Finding the Third Proportional to 13,192,470 and 20,181,042

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Solution

The third proportional to 13,192,470 and 20,181,042 is: 30,871,736.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,192,470 : 20,181,042 = 20,181,042 : x
  2. Step 2: Convert to fraction form
    13,192,470/20,181,042 = 20,181,042/x
  3. Step 3: Cross multiply
    13,192,470x = 20,181,042 × 20,181,042
  4. Step 4: Simplify right side
    13,192,470x = 407,274,456,205,764
  5. Step 5: Solve for x
    x = 407,274,456,205,764/13,192,470
  6. Step 6: Final answer
    x = 30,871,736.39

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.