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Finding the Third Proportional to 8,411 and 11,238.50

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Solution

The third proportional to 8,411 and 11,238.50 is: 15,016.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,411 : 11,238.50 = 11,238.50 : x
  2. Step 2: Convert to fraction form
    8,411/11,238.50 = 11,238.50/x
  3. Step 3: Cross multiply
    8,411x = 11,238.50 × 11,238.50
  4. Step 4: Simplify right side
    8,411x = 126,303,882.25
  5. Step 5: Solve for x
    x = 126,303,882.25/8,411
  6. Step 6: Final answer
    x = 15,016.51

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Why These Related Problems?

These problems maintain the same ratio (1.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.