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Finding the Third Proportional to 10.88 and 23.91

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Solution

The third proportional to 10.88 and 23.91 is: 52.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    10.88 : 23.91 = 23.91 : x
  2. Step 2: Convert to fraction form
    10.88/23.91 = 23.91/x
  3. Step 3: Cross multiply
    10.88x = 23.91 × 23.91
  4. Step 4: Simplify right side
    10.88x = 571.51
  5. Step 5: Solve for x
    x = 571.51/10.88
  6. Step 6: Final answer
    x = 52.55

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.