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Finding the Third Proportional to 182.50 and 197

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Solution

The third proportional to 182.50 and 197 is: 212.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    182.50 : 197 = 197 : x
  2. Step 2: Convert to fraction form
    182.50/197 = 197/x
  3. Step 3: Cross multiply
    182.50x = 197 × 197
  4. Step 4: Simplify right side
    182.50x = 38,809
  5. Step 5: Solve for x
    x = 38,809/182.50
  6. Step 6: Final answer
    x = 212.65

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Why These Related Problems?

These problems maintain the same ratio (1.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.