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Finding the Third Proportional to 274 and 660.50

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Solution

The third proportional to 274 and 660.50 is: 1,592.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    274 : 660.50 = 660.50 : x
  2. Step 2: Convert to fraction form
    274/660.50 = 660.50/x
  3. Step 3: Cross multiply
    274x = 660.50 × 660.50
  4. Step 4: Simplify right side
    274x = 436,260.25
  5. Step 5: Solve for x
    x = 436,260.25/274
  6. Step 6: Final answer
    x = 1,592.19

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These problems maintain the same ratio (2.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.