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Finding the Third Proportional to 365.34 and 862.31

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Solution

The third proportional to 365.34 and 862.31 is: 2,035.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    365.34 : 862.31 = 862.31 : x
  2. Step 2: Convert to fraction form
    365.34/862.31 = 862.31/x
  3. Step 3: Cross multiply
    365.34x = 862.31 × 862.31
  4. Step 4: Simplify right side
    365.34x = 743,582.85
  5. Step 5: Solve for x
    x = 743,582.85/365.34
  6. Step 6: Final answer
    x = 2,035.30

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Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.