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Finding the Third Proportional to 233 and 411.25

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Solution

The third proportional to 233 and 411.25 is: 725.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    233 : 411.25 = 411.25 : x
  2. Step 2: Convert to fraction form
    233/411.25 = 411.25/x
  3. Step 3: Cross multiply
    233x = 411.25 × 411.25
  4. Step 4: Simplify right side
    233x = 169,126.56
  5. Step 5: Solve for x
    x = 169,126.56/233
  6. Step 6: Final answer
    x = 725.87

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Why These Related Problems?

These problems maintain the same ratio (1.77) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.