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Finding the Third Proportional to 7,643 and 16,744

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Solution

The third proportional to 7,643 and 16,744 is: 36,682.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,643 : 16,744 = 16,744 : x
  2. Step 2: Convert to fraction form
    7,643/16,744 = 16,744/x
  3. Step 3: Cross multiply
    7,643x = 16,744 × 16,744
  4. Step 4: Simplify right side
    7,643x = 280,361,536
  5. Step 5: Solve for x
    x = 280,361,536/7,643
  6. Step 6: Final answer
    x = 36,682.13

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.