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Finding the Third Proportional to 6.25 and 13.02

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Solution

The third proportional to 6.25 and 13.02 is: 27.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    6.25 : 13.02 = 13.02 : x
  2. Step 2: Convert to fraction form
    6.25/13.02 = 13.02/x
  3. Step 3: Cross multiply
    6.25x = 13.02 × 13.02
  4. Step 4: Simplify right side
    6.25x = 169.48
  5. Step 5: Solve for x
    x = 169.48/6.25
  6. Step 6: Final answer
    x = 27.12

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.