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Finding the Third Proportional to 13,163.77 and 28,787.91

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Solution

The third proportional to 13,163.77 and 28,787.91 is: 62,956.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,163.77 : 28,787.91 = 28,787.91 : x
  2. Step 2: Convert to fraction form
    13,163.77/28,787.91 = 28,787.91/x
  3. Step 3: Cross multiply
    13,163.77x = 28,787.91 × 28,787.91
  4. Step 4: Simplify right side
    13,163.77x = 828,743,546.26
  5. Step 5: Solve for x
    x = 828,743,546.26/13,163.77
  6. Step 6: Final answer
    x = 62,956.42

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.