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Finding the Third Proportional to 164.50 and 326

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Solution

The third proportional to 164.50 and 326 is: 646.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    164.50 : 326 = 326 : x
  2. Step 2: Convert to fraction form
    164.50/326 = 326/x
  3. Step 3: Cross multiply
    164.50x = 326 × 326
  4. Step 4: Simplify right side
    164.50x = 106,276
  5. Step 5: Solve for x
    x = 106,276/164.50
  6. Step 6: Final answer
    x = 646.05

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These problems maintain the same ratio (1.98) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.