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Finding the Third Proportional to 244.75 and 319

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Solution

The third proportional to 244.75 and 319 is: 415.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    244.75 : 319 = 319 : x
  2. Step 2: Convert to fraction form
    244.75/319 = 319/x
  3. Step 3: Cross multiply
    244.75x = 319 × 319
  4. Step 4: Simplify right side
    244.75x = 101,761
  5. Step 5: Solve for x
    x = 101,761/244.75
  6. Step 6: Final answer
    x = 415.78

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Why These Related Problems?

These problems maintain the same ratio (1.30) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.