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Finding the Third Proportional to 10.55 and 15.44

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Solution

The third proportional to 10.55 and 15.44 is: 22.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10.55 : 15.44 = 15.44 : x
  2. Step 2: Convert to fraction form
    10.55/15.44 = 15.44/x
  3. Step 3: Cross multiply
    10.55x = 15.44 × 15.44
  4. Step 4: Simplify right side
    10.55x = 238.53
  5. Step 5: Solve for x
    x = 238.53/10.55
  6. Step 6: Final answer
    x = 22.60

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.