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Finding the Third Proportional to 8,331.94 and 11,718.28

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Solution

The third proportional to 8,331.94 and 11,718.28 is: 16,480.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,331.94 : 11,718.28 = 11,718.28 : x
  2. Step 2: Convert to fraction form
    8,331.94/11,718.28 = 11,718.28/x
  3. Step 3: Cross multiply
    8,331.94x = 11,718.28 × 11,718.28
  4. Step 4: Simplify right side
    8,331.94x = 137,318,115.45
  5. Step 5: Solve for x
    x = 137,318,115.45/8,331.94
  6. Step 6: Final answer
    x = 16,480.93

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.