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Finding the Third Proportional to 5.47 and 11.96

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Solution

The third proportional to 5.47 and 11.96 is: 26.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    5.47 : 11.96 = 11.96 : x
  2. Step 2: Convert to fraction form
    5.47/11.96 = 11.96/x
  3. Step 3: Cross multiply
    5.47x = 11.96 × 11.96
  4. Step 4: Simplify right side
    5.47x = 142.94
  5. Step 5: Solve for x
    x = 142.94/5.47
  6. Step 6: Final answer
    x = 26.14

Related Problems

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.