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Finding the Third Proportional to 930.75 and 2,002.13

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Solution

The third proportional to 930.75 and 2,002.13 is: 4,306.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    930.75 : 2,002.13 = 2,002.13 : x
  2. Step 2: Convert to fraction form
    930.75/2,002.13 = 2,002.13/x
  3. Step 3: Cross multiply
    930.75x = 2,002.13 × 2,002.13
  4. Step 4: Simplify right side
    930.75x = 4,008,504.52
  5. Step 5: Solve for x
    x = 4,008,504.52/930.75
  6. Step 6: Final answer
    x = 4,306.75

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.