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Finding the Third Proportional to 6.50 and 9.25

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Solution

The third proportional to 6.50 and 9.25 is: 13.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    6.50 : 9.25 = 9.25 : x
  2. Step 2: Convert to fraction form
    6.50/9.25 = 9.25/x
  3. Step 3: Cross multiply
    6.50x = 9.25 × 9.25
  4. Step 4: Simplify right side
    6.50x = 85.56
  5. Step 5: Solve for x
    x = 85.56/6.50
  6. Step 6: Final answer
    x = 13.16

Related Problems

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.