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Finding the Third Proportional to 6,236.50 and 13,857.50

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Solution

The third proportional to 6,236.50 and 13,857.50 is: 30,791.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,236.50 : 13,857.50 = 13,857.50 : x
  2. Step 2: Convert to fraction form
    6,236.50/13,857.50 = 13,857.50/x
  3. Step 3: Cross multiply
    6,236.50x = 13,857.50 × 13,857.50
  4. Step 4: Simplify right side
    6,236.50x = 192,030,306.25
  5. Step 5: Solve for x
    x = 192,030,306.25/6,236.50
  6. Step 6: Final answer
    x = 30,791.36

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Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.