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Finding the Third Proportional to 172 and 452

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Solution

The third proportional to 172 and 452 is: 1,187.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    172 : 452 = 452 : x
  2. Step 2: Convert to fraction form
    172/452 = 452/x
  3. Step 3: Cross multiply
    172x = 452 × 452
  4. Step 4: Simplify right side
    172x = 204,304
  5. Step 5: Solve for x
    x = 204,304/172
  6. Step 6: Final answer
    x = 1,187.81

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Why These Related Problems?

These problems maintain the same ratio (2.63) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.