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Finding the Third Proportional to 301.50 and 329.06

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Solution

The third proportional to 301.50 and 329.06 is: 359.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    301.50 : 329.06 = 329.06 : x
  2. Step 2: Convert to fraction form
    301.50/329.06 = 329.06/x
  3. Step 3: Cross multiply
    301.50x = 329.06 × 329.06
  4. Step 4: Simplify right side
    301.50x = 108,282.13
  5. Step 5: Solve for x
    x = 108,282.13/301.50
  6. Step 6: Final answer
    x = 359.14

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Why These Related Problems?

These problems maintain the same ratio (1.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.