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Finding the Third Proportional to 247.22 and 372.73

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Solution

The third proportional to 247.22 and 372.73 is: 561.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    247.22 : 372.73 = 372.73 : x
  2. Step 2: Convert to fraction form
    247.22/372.73 = 372.73/x
  3. Step 3: Cross multiply
    247.22x = 372.73 × 372.73
  4. Step 4: Simplify right side
    247.22x = 138,925.09
  5. Step 5: Solve for x
    x = 138,925.09/247.22
  6. Step 6: Final answer
    x = 561.95

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.