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Finding the Third Proportional to 2.48 and 5.91

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Solution

The third proportional to 2.48 and 5.91 is: 14.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2.48 : 5.91 = 5.91 : x
  2. Step 2: Convert to fraction form
    2.48/5.91 = 5.91/x
  3. Step 3: Cross multiply
    2.48x = 5.91 × 5.91
  4. Step 4: Simplify right side
    2.48x = 34.90
  5. Step 5: Solve for x
    x = 34.90/2.48
  6. Step 6: Final answer
    x = 14.06

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Why These Related Problems?

These problems maintain the same ratio (2.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.