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Finding the Third Proportional to 249.75 and 544.64

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Solution

The third proportional to 249.75 and 544.64 is: 1,187.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    249.75 : 544.64 = 544.64 : x
  2. Step 2: Convert to fraction form
    249.75/544.64 = 544.64/x
  3. Step 3: Cross multiply
    249.75x = 544.64 × 544.64
  4. Step 4: Simplify right side
    249.75x = 296,633.41
  5. Step 5: Solve for x
    x = 296,633.41/249.75
  6. Step 6: Final answer
    x = 1,187.72

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.