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Finding the Third Proportional to 4,744.20 and 6,635.04

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Solution

The third proportional to 4,744.20 and 6,635.04 is: 9,279.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,744.20 : 6,635.04 = 6,635.04 : x
  2. Step 2: Convert to fraction form
    4,744.20/6,635.04 = 6,635.04/x
  3. Step 3: Cross multiply
    4,744.20x = 6,635.04 × 6,635.04
  4. Step 4: Simplify right side
    4,744.20x = 44,023,743.36
  5. Step 5: Solve for x
    x = 44,023,743.36/4,744.20
  6. Step 6: Final answer
    x = 9,279.50

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.