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Finding the Third Proportional to 7,866 and 11,026

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Solution

The third proportional to 7,866 and 11,026 is: 15,455.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,866 : 11,026 = 11,026 : x
  2. Step 2: Convert to fraction form
    7,866/11,026 = 11,026/x
  3. Step 3: Cross multiply
    7,866x = 11,026 × 11,026
  4. Step 4: Simplify right side
    7,866x = 121,572,676
  5. Step 5: Solve for x
    x = 121,572,676/7,866
  6. Step 6: Final answer
    x = 15,455.46

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.