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Finding the Third Proportional to 247.56 and 525.52

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Solution

The third proportional to 247.56 and 525.52 is: 1,115.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    247.56 : 525.52 = 525.52 : x
  2. Step 2: Convert to fraction form
    247.56/525.52 = 525.52/x
  3. Step 3: Cross multiply
    247.56x = 525.52 × 525.52
  4. Step 4: Simplify right side
    247.56x = 276,166.67
  5. Step 5: Solve for x
    x = 276,166.67/247.56
  6. Step 6: Final answer
    x = 1,115.56

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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.