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Finding the Third Proportional to 3,380.63 and 4,744.69

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Solution

The third proportional to 3,380.63 and 4,744.69 is: 6,659.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,380.63 : 4,744.69 = 4,744.69 : x
  2. Step 2: Convert to fraction form
    3,380.63/4,744.69 = 4,744.69/x
  3. Step 3: Cross multiply
    3,380.63x = 4,744.69 × 4,744.69
  4. Step 4: Simplify right side
    3,380.63x = 22,512,059.47
  5. Step 5: Solve for x
    x = 22,512,059.47/3,380.63
  6. Step 6: Final answer
    x = 6,659.14

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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.