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Finding the Third Proportional to 9.55 and 15.08

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Solution

The third proportional to 9.55 and 15.08 is: 23.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    9.55 : 15.08 = 15.08 : x
  2. Step 2: Convert to fraction form
    9.55/15.08 = 15.08/x
  3. Step 3: Cross multiply
    9.55x = 15.08 × 15.08
  4. Step 4: Simplify right side
    9.55x = 227.46
  5. Step 5: Solve for x
    x = 227.46/9.55
  6. Step 6: Final answer
    x = 23.82

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Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.