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Finding the Third Proportional to 235.75 and 480.50

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Solution

The third proportional to 235.75 and 480.50 is: 979.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    235.75 : 480.50 = 480.50 : x
  2. Step 2: Convert to fraction form
    235.75/480.50 = 480.50/x
  3. Step 3: Cross multiply
    235.75x = 480.50 × 480.50
  4. Step 4: Simplify right side
    235.75x = 230,880.25
  5. Step 5: Solve for x
    x = 230,880.25/235.75
  6. Step 6: Final answer
    x = 979.34

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Why These Related Problems?

These problems maintain the same ratio (2.04) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.