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Finding the Third Proportional to 8,879.81 and 13,258.97

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Solution

The third proportional to 8,879.81 and 13,258.97 is: 19,797.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,879.81 : 13,258.97 = 13,258.97 : x
  2. Step 2: Convert to fraction form
    8,879.81/13,258.97 = 13,258.97/x
  3. Step 3: Cross multiply
    8,879.81x = 13,258.97 × 13,258.97
  4. Step 4: Simplify right side
    8,879.81x = 175,800,252.31
  5. Step 5: Solve for x
    x = 175,800,252.31/8,879.81
  6. Step 6: Final answer
    x = 19,797.74

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.