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Finding the Third Proportional to 164.75 and 175.75

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Solution

The third proportional to 164.75 and 175.75 is: 187.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    164.75 : 175.75 = 175.75 : x
  2. Step 2: Convert to fraction form
    164.75/175.75 = 175.75/x
  3. Step 3: Cross multiply
    164.75x = 175.75 × 175.75
  4. Step 4: Simplify right side
    164.75x = 30,888.06
  5. Step 5: Solve for x
    x = 30,888.06/164.75
  6. Step 6: Final answer
    x = 187.48

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Why These Related Problems?

These problems maintain the same ratio (1.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.