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Finding the Third Proportional to 252.47 and 535.52

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Solution

The third proportional to 252.47 and 535.52 is: 1,135.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    252.47 : 535.52 = 535.52 : x
  2. Step 2: Convert to fraction form
    252.47/535.52 = 535.52/x
  3. Step 3: Cross multiply
    252.47x = 535.52 × 535.52
  4. Step 4: Simplify right side
    252.47x = 286,779.08
  5. Step 5: Solve for x
    x = 286,779.08/252.47
  6. Step 6: Final answer
    x = 1,135.87

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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.