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Finding the Third Proportional to 805.50 and 942.75

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Solution

The third proportional to 805.50 and 942.75 is: 1,103.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    805.50 : 942.75 = 942.75 : x
  2. Step 2: Convert to fraction form
    805.50/942.75 = 942.75/x
  3. Step 3: Cross multiply
    805.50x = 942.75 × 942.75
  4. Step 4: Simplify right side
    805.50x = 888,777.56
  5. Step 5: Solve for x
    x = 888,777.56/805.50
  6. Step 6: Final answer
    x = 1,103.39

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Why These Related Problems?

These problems maintain the same ratio (1.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.