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Finding the Third Proportional to 2.41 and 5.28

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Solution

The third proportional to 2.41 and 5.28 is: 11.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2.41 : 5.28 = 5.28 : x
  2. Step 2: Convert to fraction form
    2.41/5.28 = 5.28/x
  3. Step 3: Cross multiply
    2.41x = 5.28 × 5.28
  4. Step 4: Simplify right side
    2.41x = 27.85
  5. Step 5: Solve for x
    x = 27.85/2.41
  6. Step 6: Final answer
    x = 11.55

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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.