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Finding the Third Proportional to 13.30 and 28.73

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Solution

The third proportional to 13.30 and 28.73 is: 62.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13.30 : 28.73 = 28.73 : x
  2. Step 2: Convert to fraction form
    13.30/28.73 = 28.73/x
  3. Step 3: Cross multiply
    13.30x = 28.73 × 28.73
  4. Step 4: Simplify right side
    13.30x = 825.24
  5. Step 5: Solve for x
    x = 825.24/13.30
  6. Step 6: Final answer
    x = 62.04

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.