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Finding the Third Proportional to 164 and 344.75

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Solution

The third proportional to 164 and 344.75 is: 724.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    164 : 344.75 = 344.75 : x
  2. Step 2: Convert to fraction form
    164/344.75 = 344.75/x
  3. Step 3: Cross multiply
    164x = 344.75 × 344.75
  4. Step 4: Simplify right side
    164x = 118,852.56
  5. Step 5: Solve for x
    x = 118,852.56/164
  6. Step 6: Final answer
    x = 724.71

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.