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Finding the Third Proportional to 12,998,104 and 18,171,234

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Solution

The third proportional to 12,998,104 and 18,171,234 is: 25,403,223.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,998,104 : 18,171,234 = 18,171,234 : x
  2. Step 2: Convert to fraction form
    12,998,104/18,171,234 = 18,171,234/x
  3. Step 3: Cross multiply
    12,998,104x = 18,171,234 × 18,171,234
  4. Step 4: Simplify right side
    12,998,104x = 330,193,745,082,756
  5. Step 5: Solve for x
    x = 330,193,745,082,756/12,998,104
  6. Step 6: Final answer
    x = 25,403,223.82

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.