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Finding the Third Proportional to 8,730.28 and 18,844.73

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Solution

The third proportional to 8,730.28 and 18,844.73 is: 40,677.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,730.28 : 18,844.73 = 18,844.73 : x
  2. Step 2: Convert to fraction form
    8,730.28/18,844.73 = 18,844.73/x
  3. Step 3: Cross multiply
    8,730.28x = 18,844.73 × 18,844.73
  4. Step 4: Simplify right side
    8,730.28x = 355,124,013.66
  5. Step 5: Solve for x
    x = 355,124,013.66/8,730.28
  6. Step 6: Final answer
    x = 40,677.27

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.