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Finding the Third Proportional to 4,004 and 8,494

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Solution

The third proportional to 4,004 and 8,494 is: 18,018.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,004 : 8,494 = 8,494 : x
  2. Step 2: Convert to fraction form
    4,004/8,494 = 8,494/x
  3. Step 3: Cross multiply
    4,004x = 8,494 × 8,494
  4. Step 4: Simplify right side
    4,004x = 72,148,036
  5. Step 5: Solve for x
    x = 72,148,036/4,004
  6. Step 6: Final answer
    x = 18,018.99

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.