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Finding the Third Proportional to 9.08 and 13.35

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Solution

The third proportional to 9.08 and 13.35 is: 19.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    9.08 : 13.35 = 13.35 : x
  2. Step 2: Convert to fraction form
    9.08/13.35 = 13.35/x
  3. Step 3: Cross multiply
    9.08x = 13.35 × 13.35
  4. Step 4: Simplify right side
    9.08x = 178.18
  5. Step 5: Solve for x
    x = 178.18/9.08
  6. Step 6: Final answer
    x = 19.63

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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.