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Finding the Third Proportional to 252.28 and 584.72

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Solution

The third proportional to 252.28 and 584.72 is: 1,355.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    252.28 : 584.72 = 584.72 : x
  2. Step 2: Convert to fraction form
    252.28/584.72 = 584.72/x
  3. Step 3: Cross multiply
    252.28x = 584.72 × 584.72
  4. Step 4: Simplify right side
    252.28x = 341,896.02
  5. Step 5: Solve for x
    x = 341,896.02/252.28
  6. Step 6: Final answer
    x = 1,355.22

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Why These Related Problems?

These problems maintain the same ratio (2.32) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.