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Finding the Third Proportional to 372.75 and 754.50

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Solution

The third proportional to 372.75 and 754.50 is: 1,527.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    372.75 : 754.50 = 754.50 : x
  2. Step 2: Convert to fraction form
    372.75/754.50 = 754.50/x
  3. Step 3: Cross multiply
    372.75x = 754.50 × 754.50
  4. Step 4: Simplify right side
    372.75x = 569,270.25
  5. Step 5: Solve for x
    x = 569,270.25/372.75
  6. Step 6: Final answer
    x = 1,527.22

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Why These Related Problems?

These problems maintain the same ratio (2.02) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.