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Finding the Third Proportional to 316.50 and 852

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Solution

The third proportional to 316.50 and 852 is: 2,293.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    316.50 : 852 = 852 : x
  2. Step 2: Convert to fraction form
    316.50/852 = 852/x
  3. Step 3: Cross multiply
    316.50x = 852 × 852
  4. Step 4: Simplify right side
    316.50x = 725,904
  5. Step 5: Solve for x
    x = 725,904/316.50
  6. Step 6: Final answer
    x = 2,293.54

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Why These Related Problems?

These problems maintain the same ratio (2.69) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.