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Finding the Third Proportional to 192.50 and 211

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Solution

The third proportional to 192.50 and 211 is: 231.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    192.50 : 211 = 211 : x
  2. Step 2: Convert to fraction form
    192.50/211 = 211/x
  3. Step 3: Cross multiply
    192.50x = 211 × 211
  4. Step 4: Simplify right side
    192.50x = 44,521
  5. Step 5: Solve for x
    x = 44,521/192.50
  6. Step 6: Final answer
    x = 231.28

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Why These Related Problems?

These problems maintain the same ratio (1.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.