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Finding the Third Proportional to 252.25 and 533.75

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Solution

The third proportional to 252.25 and 533.75 is: 1,129.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    252.25 : 533.75 = 533.75 : x
  2. Step 2: Convert to fraction form
    252.25/533.75 = 533.75/x
  3. Step 3: Cross multiply
    252.25x = 533.75 × 533.75
  4. Step 4: Simplify right side
    252.25x = 284,889.06
  5. Step 5: Solve for x
    x = 284,889.06/252.25
  6. Step 6: Final answer
    x = 1,129.39

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.