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Finding the Third Proportional to 12,279,640.50 and 18,793,741.50

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Solution

The third proportional to 12,279,640.50 and 18,793,741.50 is: 28,763,441.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,279,640.50 : 18,793,741.50 = 18,793,741.50 : x
  2. Step 2: Convert to fraction form
    12,279,640.50/18,793,741.50 = 18,793,741.50/x
  3. Step 3: Cross multiply
    12,279,640.50x = 18,793,741.50 × 18,793,741.50
  4. Step 4: Simplify right side
    12,279,640.50x = 353,204,719,568,822.25
  5. Step 5: Solve for x
    x = 353,204,719,568,822.25/12,279,640.50
  6. Step 6: Final answer
    x = 28,763,441.37

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.