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Finding the Third Proportional to 248.50 and 525.75

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Solution

The third proportional to 248.50 and 525.75 is: 1,112.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    248.50 : 525.75 = 525.75 : x
  2. Step 2: Convert to fraction form
    248.50/525.75 = 525.75/x
  3. Step 3: Cross multiply
    248.50x = 525.75 × 525.75
  4. Step 4: Simplify right side
    248.50x = 276,413.06
  5. Step 5: Solve for x
    x = 276,413.06/248.50
  6. Step 6: Final answer
    x = 1,112.33

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.