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Finding the Third Proportional to 108 and 264.75

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Solution

The third proportional to 108 and 264.75 is: 649.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    108 : 264.75 = 264.75 : x
  2. Step 2: Convert to fraction form
    108/264.75 = 264.75/x
  3. Step 3: Cross multiply
    108x = 264.75 × 264.75
  4. Step 4: Simplify right side
    108x = 70,092.56
  5. Step 5: Solve for x
    x = 70,092.56/108
  6. Step 6: Final answer
    x = 649.01

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Why These Related Problems?

These problems maintain the same ratio (2.45) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.