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Finding the Third Proportional to 850.92 and 1,171.76

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Solution

The third proportional to 850.92 and 1,171.76 is: 1,613.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    850.92 : 1,171.76 = 1,171.76 : x
  2. Step 2: Convert to fraction form
    850.92/1,171.76 = 1,171.76/x
  3. Step 3: Cross multiply
    850.92x = 1,171.76 × 1,171.76
  4. Step 4: Simplify right side
    850.92x = 1,373,016.37
  5. Step 5: Solve for x
    x = 1,373,016.37/850.92
  6. Step 6: Final answer
    x = 1,613.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.