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Finding the Third Proportional to 3,300 and 4,932.75

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Solution

The third proportional to 3,300 and 4,932.75 is: 7,373.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,300 : 4,932.75 = 4,932.75 : x
  2. Step 2: Convert to fraction form
    3,300/4,932.75 = 4,932.75/x
  3. Step 3: Cross multiply
    3,300x = 4,932.75 × 4,932.75
  4. Step 4: Simplify right side
    3,300x = 24,332,022.56
  5. Step 5: Solve for x
    x = 24,332,022.56/3,300
  6. Step 6: Final answer
    x = 7,373.34

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.