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Finding the Third Proportional to 201.83 and 269.10

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Solution

The third proportional to 201.83 and 269.10 is: 358.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    201.83 : 269.10 = 269.10 : x
  2. Step 2: Convert to fraction form
    201.83/269.10 = 269.10/x
  3. Step 3: Cross multiply
    201.83x = 269.10 × 269.10
  4. Step 4: Simplify right side
    201.83x = 72,416.70
  5. Step 5: Solve for x
    x = 72,416.70/201.83
  6. Step 6: Final answer
    x = 358.80

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Why These Related Problems?

These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.