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Finding the Third Proportional to 18,826.88 and 29,168.44

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Solution

The third proportional to 18,826.88 and 29,168.44 is: 45,190.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,826.88 : 29,168.44 = 29,168.44 : x
  2. Step 2: Convert to fraction form
    18,826.88/29,168.44 = 29,168.44/x
  3. Step 3: Cross multiply
    18,826.88x = 29,168.44 × 29,168.44
  4. Step 4: Simplify right side
    18,826.88x = 850,797,746.19
  5. Step 5: Solve for x
    x = 850,797,746.19/18,826.88
  6. Step 6: Final answer
    x = 45,190.60

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.