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Finding the Third Proportional to 167.63 and 406.13

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Solution

The third proportional to 167.63 and 406.13 is: 983.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    167.63 : 406.13 = 406.13 : x
  2. Step 2: Convert to fraction form
    167.63/406.13 = 406.13/x
  3. Step 3: Cross multiply
    167.63x = 406.13 × 406.13
  4. Step 4: Simplify right side
    167.63x = 164,937.52
  5. Step 5: Solve for x
    x = 164,937.52/167.63
  6. Step 6: Final answer
    x = 983.97

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Why These Related Problems?

These problems maintain the same ratio (2.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.