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Finding the Third Proportional to 122.75 and 332.75

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Solution

The third proportional to 122.75 and 332.75 is: 902.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    122.75 : 332.75 = 332.75 : x
  2. Step 2: Convert to fraction form
    122.75/332.75 = 332.75/x
  3. Step 3: Cross multiply
    122.75x = 332.75 × 332.75
  4. Step 4: Simplify right side
    122.75x = 110,722.56
  5. Step 5: Solve for x
    x = 110,722.56/122.75
  6. Step 6: Final answer
    x = 902.02

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Why These Related Problems?

These problems maintain the same ratio (2.71) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.