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Finding the Third Proportional to 32 and 52.75

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Solution

The third proportional to 32 and 52.75 is: 86.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    32 : 52.75 = 52.75 : x
  2. Step 2: Convert to fraction form
    32/52.75 = 52.75/x
  3. Step 3: Cross multiply
    32x = 52.75 × 52.75
  4. Step 4: Simplify right side
    32x = 2,782.56
  5. Step 5: Solve for x
    x = 2,782.56/32
  6. Step 6: Final answer
    x = 86.96

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Why These Related Problems?

These problems maintain the same ratio (1.65) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.