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Finding the Third Proportional to 263.50 and 395.75

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Solution

The third proportional to 263.50 and 395.75 is: 594.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    263.50 : 395.75 = 395.75 : x
  2. Step 2: Convert to fraction form
    263.50/395.75 = 395.75/x
  3. Step 3: Cross multiply
    263.50x = 395.75 × 395.75
  4. Step 4: Simplify right side
    263.50x = 156,618.06
  5. Step 5: Solve for x
    x = 156,618.06/263.50
  6. Step 6: Final answer
    x = 594.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.