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Finding the Third Proportional to 112.22 and 240.47

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Solution

The third proportional to 112.22 and 240.47 is: 515.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    112.22 : 240.47 = 240.47 : x
  2. Step 2: Convert to fraction form
    112.22/240.47 = 240.47/x
  3. Step 3: Cross multiply
    112.22x = 240.47 × 240.47
  4. Step 4: Simplify right side
    112.22x = 57,825.22
  5. Step 5: Solve for x
    x = 57,825.22/112.22
  6. Step 6: Final answer
    x = 515.29

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.