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Finding the Third Proportional to 187.25 and 204.13

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Solution

The third proportional to 187.25 and 204.13 is: 222.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    187.25 : 204.13 = 204.13 : x
  2. Step 2: Convert to fraction form
    187.25/204.13 = 204.13/x
  3. Step 3: Cross multiply
    187.25x = 204.13 × 204.13
  4. Step 4: Simplify right side
    187.25x = 41,667.02
  5. Step 5: Solve for x
    x = 41,667.02/187.25
  6. Step 6: Final answer
    x = 222.52

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Why These Related Problems?

These problems maintain the same ratio (1.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.