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Finding the Third Proportional to 249 and 441.50

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Solution

The third proportional to 249 and 441.50 is: 782.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    249 : 441.50 = 441.50 : x
  2. Step 2: Convert to fraction form
    249/441.50 = 441.50/x
  3. Step 3: Cross multiply
    249x = 441.50 × 441.50
  4. Step 4: Simplify right side
    249x = 194,922.25
  5. Step 5: Solve for x
    x = 194,922.25/249
  6. Step 6: Final answer
    x = 782.82

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These problems maintain the same ratio (1.77) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.