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Finding the Third Proportional to 20,145,978 and 43,166,494

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Solution

The third proportional to 20,145,978 and 43,166,494 is: 92,492,218.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,145,978 : 43,166,494 = 43,166,494 : x
  2. Step 2: Convert to fraction form
    20,145,978/43,166,494 = 43,166,494/x
  3. Step 3: Cross multiply
    20,145,978x = 43,166,494 × 43,166,494
  4. Step 4: Simplify right side
    20,145,978x = 1,863,346,204,252,036
  5. Step 5: Solve for x
    x = 1,863,346,204,252,036/20,145,978
  6. Step 6: Final answer
    x = 92,492,218.76

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.