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Finding the Third Proportional to 12,253,682 and 20,351,811

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Solution

The third proportional to 12,253,682 and 20,351,811 is: 33,801,775.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,253,682 : 20,351,811 = 20,351,811 : x
  2. Step 2: Convert to fraction form
    12,253,682/20,351,811 = 20,351,811/x
  3. Step 3: Cross multiply
    12,253,682x = 20,351,811 × 20,351,811
  4. Step 4: Simplify right side
    12,253,682x = 414,196,210,979,721
  5. Step 5: Solve for x
    x = 414,196,210,979,721/12,253,682
  6. Step 6: Final answer
    x = 33,801,775.74

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Why These Related Problems?

These problems maintain the same ratio (1.66) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.