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Finding the Third Proportional to 3,199.97 and 5,008.92

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Solution

The third proportional to 3,199.97 and 5,008.92 is: 7,840.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,199.97 : 5,008.92 = 5,008.92 : x
  2. Step 2: Convert to fraction form
    3,199.97/5,008.92 = 5,008.92/x
  3. Step 3: Cross multiply
    3,199.97x = 5,008.92 × 5,008.92
  4. Step 4: Simplify right side
    3,199.97x = 25,089,298.35
  5. Step 5: Solve for x
    x = 25,089,298.35/3,199.97
  6. Step 6: Final answer
    x = 7,840.48

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.