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Finding the Third Proportional to 20,441.50 and 30,843

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Solution

The third proportional to 20,441.50 and 30,843 is: 46,537.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,441.50 : 30,843 = 30,843 : x
  2. Step 2: Convert to fraction form
    20,441.50/30,843 = 30,843/x
  3. Step 3: Cross multiply
    20,441.50x = 30,843 × 30,843
  4. Step 4: Simplify right side
    20,441.50x = 951,290,649
  5. Step 5: Solve for x
    x = 951,290,649/20,441.50
  6. Step 6: Final answer
    x = 46,537.22

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.