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Finding the Third Proportional to 108 and 235.41

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Solution

The third proportional to 108 and 235.41 is: 513.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    108 : 235.41 = 235.41 : x
  2. Step 2: Convert to fraction form
    108/235.41 = 235.41/x
  3. Step 3: Cross multiply
    108x = 235.41 × 235.41
  4. Step 4: Simplify right side
    108x = 55,416.10
  5. Step 5: Solve for x
    x = 55,416.10/108
  6. Step 6: Final answer
    x = 513.11

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.