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Finding the Third Proportional to 173 and 187.25

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Solution

The third proportional to 173 and 187.25 is: 202.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    173 : 187.25 = 187.25 : x
  2. Step 2: Convert to fraction form
    173/187.25 = 187.25/x
  3. Step 3: Cross multiply
    173x = 187.25 × 187.25
  4. Step 4: Simplify right side
    173x = 35,062.56
  5. Step 5: Solve for x
    x = 35,062.56/173
  6. Step 6: Final answer
    x = 202.67

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Why These Related Problems?

These problems maintain the same ratio (1.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.