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Finding the Third Proportional to 114.25 and 211

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Solution

The third proportional to 114.25 and 211 is: 389.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    114.25 : 211 = 211 : x
  2. Step 2: Convert to fraction form
    114.25/211 = 211/x
  3. Step 3: Cross multiply
    114.25x = 211 × 211
  4. Step 4: Simplify right side
    114.25x = 44,521
  5. Step 5: Solve for x
    x = 44,521/114.25
  6. Step 6: Final answer
    x = 389.68

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Why These Related Problems?

These problems maintain the same ratio (1.85) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.