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Finding the Third Proportional to 3,528.56 and 5,163.19

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Solution

The third proportional to 3,528.56 and 5,163.19 is: 7,555.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,528.56 : 5,163.19 = 5,163.19 : x
  2. Step 2: Convert to fraction form
    3,528.56/5,163.19 = 5,163.19/x
  3. Step 3: Cross multiply
    3,528.56x = 5,163.19 × 5,163.19
  4. Step 4: Simplify right side
    3,528.56x = 26,658,505.16
  5. Step 5: Solve for x
    x = 26,658,505.16/3,528.56
  6. Step 6: Final answer
    x = 7,555.06

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.