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Finding the Third Proportional to 248.06 and 339.75

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Solution

The third proportional to 248.06 and 339.75 is: 465.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    248.06 : 339.75 = 339.75 : x
  2. Step 2: Convert to fraction form
    248.06/339.75 = 339.75/x
  3. Step 3: Cross multiply
    248.06x = 339.75 × 339.75
  4. Step 4: Simplify right side
    248.06x = 115,430.06
  5. Step 5: Solve for x
    x = 115,430.06/248.06
  6. Step 6: Final answer
    x = 465.33

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.