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Finding the Third Proportional to 249 and 534.75

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Solution

The third proportional to 249 and 534.75 is: 1,148.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    249 : 534.75 = 534.75 : x
  2. Step 2: Convert to fraction form
    249/534.75 = 534.75/x
  3. Step 3: Cross multiply
    249x = 534.75 × 534.75
  4. Step 4: Simplify right side
    249x = 285,957.56
  5. Step 5: Solve for x
    x = 285,957.56/249
  6. Step 6: Final answer
    x = 1,148.42

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.