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Finding the Third Proportional to 173.75 and 202.25

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Solution

The third proportional to 173.75 and 202.25 is: 235.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    173.75 : 202.25 = 202.25 : x
  2. Step 2: Convert to fraction form
    173.75/202.25 = 202.25/x
  3. Step 3: Cross multiply
    173.75x = 202.25 × 202.25
  4. Step 4: Simplify right side
    173.75x = 40,905.06
  5. Step 5: Solve for x
    x = 40,905.06/173.75
  6. Step 6: Final answer
    x = 235.42

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Why These Related Problems?

These problems maintain the same ratio (1.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.