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Finding the Third Proportional to 4,000 and 8,793

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Solution

The third proportional to 4,000 and 8,793 is: 19,329.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,000 : 8,793 = 8,793 : x
  2. Step 2: Convert to fraction form
    4,000/8,793 = 8,793/x
  3. Step 3: Cross multiply
    4,000x = 8,793 × 8,793
  4. Step 4: Simplify right side
    4,000x = 77,316,849
  5. Step 5: Solve for x
    x = 77,316,849/4,000
  6. Step 6: Final answer
    x = 19,329.21

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.