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Finding the Third Proportional to 3,255.19 and 7,004.81

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Solution

The third proportional to 3,255.19 and 7,004.81 is: 15,073.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,255.19 : 7,004.81 = 7,004.81 : x
  2. Step 2: Convert to fraction form
    3,255.19/7,004.81 = 7,004.81/x
  3. Step 3: Cross multiply
    3,255.19x = 7,004.81 × 7,004.81
  4. Step 4: Simplify right side
    3,255.19x = 49,067,398.16
  5. Step 5: Solve for x
    x = 49,067,398.16/3,255.19
  6. Step 6: Final answer
    x = 15,073.60

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.