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Finding the Third Proportional to 548.25 and 836.25

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Solution

The third proportional to 548.25 and 836.25 is: 1,275.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    548.25 : 836.25 = 836.25 : x
  2. Step 2: Convert to fraction form
    548.25/836.25 = 836.25/x
  3. Step 3: Cross multiply
    548.25x = 836.25 × 836.25
  4. Step 4: Simplify right side
    548.25x = 699,314.06
  5. Step 5: Solve for x
    x = 699,314.06/548.25
  6. Step 6: Final answer
    x = 1,275.54

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.