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Finding the Third Proportional to 13,561,190 and 20,467,899

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Solution

The third proportional to 13,561,190 and 20,467,899 is: 30,892,192.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,561,190 : 20,467,899 = 20,467,899 : x
  2. Step 2: Convert to fraction form
    13,561,190/20,467,899 = 20,467,899/x
  3. Step 3: Cross multiply
    13,561,190x = 20,467,899 × 20,467,899
  4. Step 4: Simplify right side
    13,561,190x = 418,934,889,474,201
  5. Step 5: Solve for x
    x = 418,934,889,474,201/13,561,190
  6. Step 6: Final answer
    x = 30,892,192.31

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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.