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Finding the Third Proportional to 252.70 and 544.22

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Solution

The third proportional to 252.70 and 544.22 is: 1,172.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    252.70 : 544.22 = 544.22 : x
  2. Step 2: Convert to fraction form
    252.70/544.22 = 544.22/x
  3. Step 3: Cross multiply
    252.70x = 544.22 × 544.22
  4. Step 4: Simplify right side
    252.70x = 296,174.05
  5. Step 5: Solve for x
    x = 296,174.05/252.70
  6. Step 6: Final answer
    x = 1,172.02

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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.