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Finding the Third Proportional to 165.94 and 357.19

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Solution

The third proportional to 165.94 and 357.19 is: 768.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    165.94 : 357.19 = 357.19 : x
  2. Step 2: Convert to fraction form
    165.94/357.19 = 357.19/x
  3. Step 3: Cross multiply
    165.94x = 357.19 × 357.19
  4. Step 4: Simplify right side
    165.94x = 127,582.91
  5. Step 5: Solve for x
    x = 127,582.91/165.94
  6. Step 6: Final answer
    x = 768.86

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.