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Finding the Third Proportional to 9.49 and 13.53

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Solution

The third proportional to 9.49 and 13.53 is: 19.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    9.49 : 13.53 = 13.53 : x
  2. Step 2: Convert to fraction form
    9.49/13.53 = 13.53/x
  3. Step 3: Cross multiply
    9.49x = 13.53 × 13.53
  4. Step 4: Simplify right side
    9.49x = 182.96
  5. Step 5: Solve for x
    x = 182.96/9.49
  6. Step 6: Final answer
    x = 19.28

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.