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Finding the Third Proportional to 3,739.88 and 5,609.63

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Solution

The third proportional to 3,739.88 and 5,609.63 is: 8,414.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,739.88 : 5,609.63 = 5,609.63 : x
  2. Step 2: Convert to fraction form
    3,739.88/5,609.63 = 5,609.63/x
  3. Step 3: Cross multiply
    3,739.88x = 5,609.63 × 5,609.63
  4. Step 4: Simplify right side
    3,739.88x = 31,467,892.64
  5. Step 5: Solve for x
    x = 31,467,892.64/3,739.88
  6. Step 6: Final answer
    x = 8,414.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.