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Finding the Third Proportional to 372.94 and 576.28

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Solution

The third proportional to 372.94 and 576.28 is: 890.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    372.94 : 576.28 = 576.28 : x
  2. Step 2: Convert to fraction form
    372.94/576.28 = 576.28/x
  3. Step 3: Cross multiply
    372.94x = 576.28 × 576.28
  4. Step 4: Simplify right side
    372.94x = 332,100.08
  5. Step 5: Solve for x
    x = 332,100.08/372.94
  6. Step 6: Final answer
    x = 890.50

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.