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Finding the Third Proportional to 11,891.81 and 22,014.28

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Solution

The third proportional to 11,891.81 and 22,014.28 is: 40,753.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,891.81 : 22,014.28 = 22,014.28 : x
  2. Step 2: Convert to fraction form
    11,891.81/22,014.28 = 22,014.28/x
  3. Step 3: Cross multiply
    11,891.81x = 22,014.28 × 22,014.28
  4. Step 4: Simplify right side
    11,891.81x = 484,628,578.95
  5. Step 5: Solve for x
    x = 484,628,578.95/11,891.81
  6. Step 6: Final answer
    x = 40,753.13

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Why These Related Problems?

These problems maintain the same ratio (1.85) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.