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Finding the Third Proportional to 173 and 234.25

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Solution

The third proportional to 173 and 234.25 is: 317.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    173 : 234.25 = 234.25 : x
  2. Step 2: Convert to fraction form
    173/234.25 = 234.25/x
  3. Step 3: Cross multiply
    173x = 234.25 × 234.25
  4. Step 4: Simplify right side
    173x = 54,873.06
  5. Step 5: Solve for x
    x = 54,873.06/173
  6. Step 6: Final answer
    x = 317.19

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Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.