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Finding the Third Proportional to 3,330 and 4,475.25

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Solution

The third proportional to 3,330 and 4,475.25 is: 6,014.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,330 : 4,475.25 = 4,475.25 : x
  2. Step 2: Convert to fraction form
    3,330/4,475.25 = 4,475.25/x
  3. Step 3: Cross multiply
    3,330x = 4,475.25 × 4,475.25
  4. Step 4: Simplify right side
    3,330x = 20,027,862.56
  5. Step 5: Solve for x
    x = 20,027,862.56/3,330
  6. Step 6: Final answer
    x = 6,014.37

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Why These Related Problems?

These problems maintain the same ratio (1.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.