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Finding the Third Proportional to 172 and 244.25

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Solution

The third proportional to 172 and 244.25 is: 346.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    172 : 244.25 = 244.25 : x
  2. Step 2: Convert to fraction form
    172/244.25 = 244.25/x
  3. Step 3: Cross multiply
    172x = 244.25 × 244.25
  4. Step 4: Simplify right side
    172x = 59,658.06
  5. Step 5: Solve for x
    x = 59,658.06/172
  6. Step 6: Final answer
    x = 346.85

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Why These Related Problems?

These problems maintain the same ratio (1.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.