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Finding the Third Proportional to 252.75 and 525.13

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Solution

The third proportional to 252.75 and 525.13 is: 1,091.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    252.75 : 525.13 = 525.13 : x
  2. Step 2: Convert to fraction form
    252.75/525.13 = 525.13/x
  3. Step 3: Cross multiply
    252.75x = 525.13 × 525.13
  4. Step 4: Simplify right side
    252.75x = 275,756.27
  5. Step 5: Solve for x
    x = 275,756.27/252.75
  6. Step 6: Final answer
    x = 1,091.02

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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.