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Finding the Third Proportional to 164.44 and 336.84

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Solution

The third proportional to 164.44 and 336.84 is: 690.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    164.44 : 336.84 = 336.84 : x
  2. Step 2: Convert to fraction form
    164.44/336.84 = 336.84/x
  3. Step 3: Cross multiply
    164.44x = 336.84 × 336.84
  4. Step 4: Simplify right side
    164.44x = 113,463.71
  5. Step 5: Solve for x
    x = 113,463.71/164.44
  6. Step 6: Final answer
    x = 690.01

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Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.