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Finding the Third Proportional to 306.25 and 367

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Solution

The third proportional to 306.25 and 367 is: 439.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    306.25 : 367 = 367 : x
  2. Step 2: Convert to fraction form
    306.25/367 = 367/x
  3. Step 3: Cross multiply
    306.25x = 367 × 367
  4. Step 4: Simplify right side
    306.25x = 134,689
  5. Step 5: Solve for x
    x = 134,689/306.25
  6. Step 6: Final answer
    x = 439.80

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Why These Related Problems?

These problems maintain the same ratio (1.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.