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Finding the Third Proportional to 23.25 and 31

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Solution

The third proportional to 23.25 and 31 is: 41.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    23.25 : 31 = 31 : x
  2. Step 2: Convert to fraction form
    23.25/31 = 31/x
  3. Step 3: Cross multiply
    23.25x = 31 × 31
  4. Step 4: Simplify right side
    23.25x = 961
  5. Step 5: Solve for x
    x = 961/23.25
  6. Step 6: Final answer
    x = 41.33

Related Problems

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.