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Finding the Third Proportional to 208.22 and 456.94

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Solution

The third proportional to 208.22 and 456.94 is: 1,002.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    208.22 : 456.94 = 456.94 : x
  2. Step 2: Convert to fraction form
    208.22/456.94 = 456.94/x
  3. Step 3: Cross multiply
    208.22x = 456.94 × 456.94
  4. Step 4: Simplify right side
    208.22x = 208,791.88
  5. Step 5: Solve for x
    x = 208,791.88/208.22
  6. Step 6: Final answer
    x = 1,002.75

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.