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Finding the Third Proportional to 370.75 and 452.75

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Solution

The third proportional to 370.75 and 452.75 is: 552.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    370.75 : 452.75 = 452.75 : x
  2. Step 2: Convert to fraction form
    370.75/452.75 = 452.75/x
  3. Step 3: Cross multiply
    370.75x = 452.75 × 452.75
  4. Step 4: Simplify right side
    370.75x = 204,982.56
  5. Step 5: Solve for x
    x = 204,982.56/370.75
  6. Step 6: Final answer
    x = 552.89

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Why These Related Problems?

These problems maintain the same ratio (1.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.