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Finding the Third Proportional to 15,110.72 and 17,469.84

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Solution

The third proportional to 15,110.72 and 17,469.84 is: 20,197.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,110.72 : 17,469.84 = 17,469.84 : x
  2. Step 2: Convert to fraction form
    15,110.72/17,469.84 = 17,469.84/x
  3. Step 3: Cross multiply
    15,110.72x = 17,469.84 × 17,469.84
  4. Step 4: Simplify right side
    15,110.72x = 305,195,440.65
  5. Step 5: Solve for x
    x = 305,195,440.65/15,110.72
  6. Step 6: Final answer
    x = 20,197.28

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Why These Related Problems?

These problems maintain the same ratio (1.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.