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Finding the Third Proportional to 395 and 965.50

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Solution

The third proportional to 395 and 965.50 is: 2,359.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    395 : 965.50 = 965.50 : x
  2. Step 2: Convert to fraction form
    395/965.50 = 965.50/x
  3. Step 3: Cross multiply
    395x = 965.50 × 965.50
  4. Step 4: Simplify right side
    395x = 932,190.25
  5. Step 5: Solve for x
    x = 932,190.25/395
  6. Step 6: Final answer
    x = 2,359.98

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Why These Related Problems?

These problems maintain the same ratio (2.44) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.