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Finding the Third Proportional to 196.31 and 267.19

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Solution

The third proportional to 196.31 and 267.19 is: 363.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    196.31 : 267.19 = 267.19 : x
  2. Step 2: Convert to fraction form
    196.31/267.19 = 267.19/x
  3. Step 3: Cross multiply
    196.31x = 267.19 × 267.19
  4. Step 4: Simplify right side
    196.31x = 71,389.16
  5. Step 5: Solve for x
    x = 71,389.16/196.31
  6. Step 6: Final answer
    x = 363.65

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.