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Finding the Third Proportional to 216.56 and 467.44

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Solution

The third proportional to 216.56 and 467.44 is: 1,008.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    216.56 : 467.44 = 467.44 : x
  2. Step 2: Convert to fraction form
    216.56/467.44 = 467.44/x
  3. Step 3: Cross multiply
    216.56x = 467.44 × 467.44
  4. Step 4: Simplify right side
    216.56x = 218,497.82
  5. Step 5: Solve for x
    x = 218,497.82/216.56
  6. Step 6: Final answer
    x = 1,008.94

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.