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Finding the Third Proportional to 247.22 and 532.41

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Solution

The third proportional to 247.22 and 532.41 is: 1,146.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    247.22 : 532.41 = 532.41 : x
  2. Step 2: Convert to fraction form
    247.22/532.41 = 532.41/x
  3. Step 3: Cross multiply
    247.22x = 532.41 × 532.41
  4. Step 4: Simplify right side
    247.22x = 283,456.42
  5. Step 5: Solve for x
    x = 283,456.42/247.22
  6. Step 6: Final answer
    x = 1,146.58

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.