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Finding the Third Proportional to 13,561,108 and 20,467,778

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Solution

The third proportional to 13,561,108 and 20,467,778 is: 30,892,013.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,561,108 : 20,467,778 = 20,467,778 : x
  2. Step 2: Convert to fraction form
    13,561,108/20,467,778 = 20,467,778/x
  3. Step 3: Cross multiply
    13,561,108x = 20,467,778 × 20,467,778
  4. Step 4: Simplify right side
    13,561,108x = 418,929,936,257,284
  5. Step 5: Solve for x
    x = 418,929,936,257,284/13,561,108
  6. Step 6: Final answer
    x = 30,892,013.86

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.