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Finding the Third Proportional to 395.50 and 852

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Solution

The third proportional to 395.50 and 852 is: 1,835.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    395.50 : 852 = 852 : x
  2. Step 2: Convert to fraction form
    395.50/852 = 852/x
  3. Step 3: Cross multiply
    395.50x = 852 × 852
  4. Step 4: Simplify right side
    395.50x = 725,904
  5. Step 5: Solve for x
    x = 725,904/395.50
  6. Step 6: Final answer
    x = 1,835.41

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.