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Finding the Third Proportional to 9,028.50 and 11,982.75

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Solution

The third proportional to 9,028.50 and 11,982.75 is: 15,903.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,028.50 : 11,982.75 = 11,982.75 : x
  2. Step 2: Convert to fraction form
    9,028.50/11,982.75 = 11,982.75/x
  3. Step 3: Cross multiply
    9,028.50x = 11,982.75 × 11,982.75
  4. Step 4: Simplify right side
    9,028.50x = 143,586,297.56
  5. Step 5: Solve for x
    x = 143,586,297.56/9,028.50
  6. Step 6: Final answer
    x = 15,903.67

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Why These Related Problems?

These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.