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Finding the Third Proportional to 7.13 and 15.25

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Solution

The third proportional to 7.13 and 15.25 is: 32.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7.13 : 15.25 = 15.25 : x
  2. Step 2: Convert to fraction form
    7.13/15.25 = 15.25/x
  3. Step 3: Cross multiply
    7.13x = 15.25 × 15.25
  4. Step 4: Simplify right side
    7.13x = 232.56
  5. Step 5: Solve for x
    x = 232.56/7.13
  6. Step 6: Final answer
    x = 32.64

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 (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.