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Finding the Third Proportional to 167.06 and 356.91

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Solution

The third proportional to 167.06 and 356.91 is: 762.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    167.06 : 356.91 = 356.91 : x
  2. Step 2: Convert to fraction form
    167.06/356.91 = 356.91/x
  3. Step 3: Cross multiply
    167.06x = 356.91 × 356.91
  4. Step 4: Simplify right side
    167.06x = 127,382.07
  5. Step 5: Solve for x
    x = 127,382.07/167.06
  6. Step 6: Final answer
    x = 762.48

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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.