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Finding the Third Proportional to 3,889 and 8,054

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Solution

The third proportional to 3,889 and 8,054 is: 16,679.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,889 : 8,054 = 8,054 : x
  2. Step 2: Convert to fraction form
    3,889/8,054 = 8,054/x
  3. Step 3: Cross multiply
    3,889x = 8,054 × 8,054
  4. Step 4: Simplify right side
    3,889x = 64,866,916
  5. Step 5: Solve for x
    x = 64,866,916/3,889
  6. Step 6: Final answer
    x = 16,679.59

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Why These Related Problems?

These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.