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Finding the Third Proportional to 122 and 237.25

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Solution

The third proportional to 122 and 237.25 is: 461.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    122 : 237.25 = 237.25 : x
  2. Step 2: Convert to fraction form
    122/237.25 = 237.25/x
  3. Step 3: Cross multiply
    122x = 237.25 × 237.25
  4. Step 4: Simplify right side
    122x = 56,287.56
  5. Step 5: Solve for x
    x = 56,287.56/122
  6. Step 6: Final answer
    x = 461.37

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Why These Related Problems?

These problems maintain the same ratio (1.94) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.