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Finding the Third Proportional to 164.81 and 347.34

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Solution

The third proportional to 164.81 and 347.34 is: 732.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    164.81 : 347.34 = 347.34 : x
  2. Step 2: Convert to fraction form
    164.81/347.34 = 347.34/x
  3. Step 3: Cross multiply
    164.81x = 347.34 × 347.34
  4. Step 4: Simplify right side
    164.81x = 120,647.68
  5. Step 5: Solve for x
    x = 120,647.68/164.81
  6. Step 6: Final answer
    x = 732.03

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Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.