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Finding the Third Proportional to 216 and 452

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Solution

The third proportional to 216 and 452 is: 945.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    216 : 452 = 452 : x
  2. Step 2: Convert to fraction form
    216/452 = 452/x
  3. Step 3: Cross multiply
    216x = 452 × 452
  4. Step 4: Simplify right side
    216x = 204,304
  5. Step 5: Solve for x
    x = 204,304/216
  6. Step 6: Final answer
    x = 945.85

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Why These Related Problems?

These problems maintain the same ratio (2.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.