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Finding the Third Proportional to 60.25 and 125.75

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Solution

The third proportional to 60.25 and 125.75 is: 262.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    60.25 : 125.75 = 125.75 : x
  2. Step 2: Convert to fraction form
    60.25/125.75 = 125.75/x
  3. Step 3: Cross multiply
    60.25x = 125.75 × 125.75
  4. Step 4: Simplify right side
    60.25x = 15,813.06
  5. Step 5: Solve for x
    x = 15,813.06/60.25
  6. Step 6: Final answer
    x = 262.46

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Why These Related Problems?

These problems maintain the same ratio (2.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.