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Finding the Third Proportional to 12,127,884 and 18,173,105

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Solution

The third proportional to 12,127,884 and 18,173,105 is: 27,231,604.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,127,884 : 18,173,105 = 18,173,105 : x
  2. Step 2: Convert to fraction form
    12,127,884/18,173,105 = 18,173,105/x
  3. Step 3: Cross multiply
    12,127,884x = 18,173,105 × 18,173,105
  4. Step 4: Simplify right side
    12,127,884x = 330,261,745,341,025
  5. Step 5: Solve for x
    x = 330,261,745,341,025/12,127,884
  6. Step 6: Final answer
    x = 27,231,604.90

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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.