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Finding the Third Proportional to 239 and 495.50

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Solution

The third proportional to 239 and 495.50 is: 1,027.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    239 : 495.50 = 495.50 : x
  2. Step 2: Convert to fraction form
    239/495.50 = 495.50/x
  3. Step 3: Cross multiply
    239x = 495.50 × 495.50
  4. Step 4: Simplify right side
    239x = 245,520.25
  5. Step 5: Solve for x
    x = 245,520.25/239
  6. Step 6: Final answer
    x = 1,027.28

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Why These Related Problems?

These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.