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Finding the Third Proportional to 300 and 324.50

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Solution

The third proportional to 300 and 324.50 is: 351.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    300 : 324.50 = 324.50 : x
  2. Step 2: Convert to fraction form
    300/324.50 = 324.50/x
  3. Step 3: Cross multiply
    300x = 324.50 × 324.50
  4. Step 4: Simplify right side
    300x = 105,300.25
  5. Step 5: Solve for x
    x = 105,300.25/300
  6. Step 6: Final answer
    x = 351.00

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Why These Related Problems?

These problems maintain the same ratio (1.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.