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Finding the Third Proportional to 493.88 and 752.44

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Solution

The third proportional to 493.88 and 752.44 is: 1,146.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    493.88 : 752.44 = 752.44 : x
  2. Step 2: Convert to fraction form
    493.88/752.44 = 752.44/x
  3. Step 3: Cross multiply
    493.88x = 752.44 × 752.44
  4. Step 4: Simplify right side
    493.88x = 566,162.19
  5. Step 5: Solve for x
    x = 566,162.19/493.88
  6. Step 6: Final answer
    x = 1,146.37

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.