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Finding the Third Proportional to 4.86 and 11.41

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Solution

The third proportional to 4.86 and 11.41 is: 26.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4.86 : 11.41 = 11.41 : x
  2. Step 2: Convert to fraction form
    4.86/11.41 = 11.41/x
  3. Step 3: Cross multiply
    4.86x = 11.41 × 11.41
  4. Step 4: Simplify right side
    4.86x = 130.29
  5. Step 5: Solve for x
    x = 130.29/4.86
  6. Step 6: Final answer
    x = 26.80

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Why These Related Problems?

These problems maintain the same ratio (2.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.