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Finding the Third Proportional to 13,455,458 and 20,179,041

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Solution

The third proportional to 13,455,458 and 20,179,041 is: 30,262,343.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,455,458 : 20,179,041 = 20,179,041 : x
  2. Step 2: Convert to fraction form
    13,455,458/20,179,041 = 20,179,041/x
  3. Step 3: Cross multiply
    13,455,458x = 20,179,041 × 20,179,041
  4. Step 4: Simplify right side
    13,455,458x = 407,193,695,679,681
  5. Step 5: Solve for x
    x = 407,193,695,679,681/13,455,458
  6. Step 6: Final answer
    x = 30,262,343.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.