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Finding the Third Proportional to 6.30 and 9.25

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Solution

The third proportional to 6.30 and 9.25 is: 13.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    6.30 : 9.25 = 9.25 : x
  2. Step 2: Convert to fraction form
    6.30/9.25 = 9.25/x
  3. Step 3: Cross multiply
    6.30x = 9.25 × 9.25
  4. Step 4: Simplify right side
    6.30x = 85.56
  5. Step 5: Solve for x
    x = 85.56/6.30
  6. Step 6: Final answer
    x = 13.59

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.