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Finding the Third Proportional to 11.44 and 16.31

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Solution

The third proportional to 11.44 and 16.31 is: 23.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    11.44 : 16.31 = 16.31 : x
  2. Step 2: Convert to fraction form
    11.44/16.31 = 16.31/x
  3. Step 3: Cross multiply
    11.44x = 16.31 × 16.31
  4. Step 4: Simplify right side
    11.44x = 266.10
  5. Step 5: Solve for x
    x = 266.10/11.44
  6. Step 6: Final answer
    x = 23.27

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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.