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Finding the Third Proportional to 5,680 and 10,084

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Solution

The third proportional to 5,680 and 10,084 is: 17,902.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,680 : 10,084 = 10,084 : x
  2. Step 2: Convert to fraction form
    5,680/10,084 = 10,084/x
  3. Step 3: Cross multiply
    5,680x = 10,084 × 10,084
  4. Step 4: Simplify right side
    5,680x = 101,687,056
  5. Step 5: Solve for x
    x = 101,687,056/5,680
  6. Step 6: Final answer
    x = 17,902.65

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Why These Related Problems?

These problems maintain the same ratio (1.78) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.