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Finding the Third Proportional to 125.25 and 260.44

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Solution

The third proportional to 125.25 and 260.44 is: 541.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    125.25 : 260.44 = 260.44 : x
  2. Step 2: Convert to fraction form
    125.25/260.44 = 260.44/x
  3. Step 3: Cross multiply
    125.25x = 260.44 × 260.44
  4. Step 4: Simplify right side
    125.25x = 67,827.69
  5. Step 5: Solve for x
    x = 67,827.69/125.25
  6. Step 6: Final answer
    x = 541.54

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.