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Finding the Third Proportional to 6,139 and 8,166

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Solution

The third proportional to 6,139 and 8,166 is: 10,862.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,139 : 8,166 = 8,166 : x
  2. Step 2: Convert to fraction form
    6,139/8,166 = 8,166/x
  3. Step 3: Cross multiply
    6,139x = 8,166 × 8,166
  4. Step 4: Simplify right side
    6,139x = 66,683,556
  5. Step 5: Solve for x
    x = 66,683,556/6,139
  6. Step 6: Final answer
    x = 10,862.28

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Why These Related Problems?

These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.