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Finding the Third Proportional to 231 and 293.25

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Solution

The third proportional to 231 and 293.25 is: 372.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    231 : 293.25 = 293.25 : x
  2. Step 2: Convert to fraction form
    231/293.25 = 293.25/x
  3. Step 3: Cross multiply
    231x = 293.25 × 293.25
  4. Step 4: Simplify right side
    231x = 85,995.56
  5. Step 5: Solve for x
    x = 85,995.56/231
  6. Step 6: Final answer
    x = 372.28

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Why These Related Problems?

These problems maintain the same ratio (1.27) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.