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Finding the Third Proportional to 255.02 and 534.73

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Solution

The third proportional to 255.02 and 534.73 is: 1,121.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    255.02 : 534.73 = 534.73 : x
  2. Step 2: Convert to fraction form
    255.02/534.73 = 534.73/x
  3. Step 3: Cross multiply
    255.02x = 534.73 × 534.73
  4. Step 4: Simplify right side
    255.02x = 285,932.50
  5. Step 5: Solve for x
    x = 285,932.50/255.02
  6. Step 6: Final answer
    x = 1,121.20

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.