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Finding the Third Proportional to 1,512.84 and 3,163.22

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Solution

The third proportional to 1,512.84 and 3,163.22 is: 6,614.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,512.84 : 3,163.22 = 3,163.22 : x
  2. Step 2: Convert to fraction form
    1,512.84/3,163.22 = 3,163.22/x
  3. Step 3: Cross multiply
    1,512.84x = 3,163.22 × 3,163.22
  4. Step 4: Simplify right side
    1,512.84x = 10,005,952.86
  5. Step 5: Solve for x
    x = 10,005,952.86/1,512.84
  6. Step 6: Final answer
    x = 6,614.00

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Why These Related Problems?

These problems maintain the same ratio (2.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.