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Finding the Third Proportional to 8,873 and 13,919.50

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Solution

The third proportional to 8,873 and 13,919.50 is: 21,836.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,873 : 13,919.50 = 13,919.50 : x
  2. Step 2: Convert to fraction form
    8,873/13,919.50 = 13,919.50/x
  3. Step 3: Cross multiply
    8,873x = 13,919.50 × 13,919.50
  4. Step 4: Simplify right side
    8,873x = 193,752,480.25
  5. Step 5: Solve for x
    x = 193,752,480.25/8,873
  6. Step 6: Final answer
    x = 21,836.19

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.