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Finding the Third Proportional to 164.44 and 354.19

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Solution

The third proportional to 164.44 and 354.19 is: 762.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    164.44 : 354.19 = 354.19 : x
  2. Step 2: Convert to fraction form
    164.44/354.19 = 354.19/x
  3. Step 3: Cross multiply
    164.44x = 354.19 × 354.19
  4. Step 4: Simplify right side
    164.44x = 125,448.79
  5. Step 5: Solve for x
    x = 125,448.79/164.44
  6. Step 6: Final answer
    x = 762.90

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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.