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Finding the Third Proportional to 3,859.31 and 5,702.06

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Solution

The third proportional to 3,859.31 and 5,702.06 is: 8,424.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,859.31 : 5,702.06 = 5,702.06 : x
  2. Step 2: Convert to fraction form
    3,859.31/5,702.06 = 5,702.06/x
  3. Step 3: Cross multiply
    3,859.31x = 5,702.06 × 5,702.06
  4. Step 4: Simplify right side
    3,859.31x = 32,513,516.75
  5. Step 5: Solve for x
    x = 32,513,516.75/3,859.31
  6. Step 6: Final answer
    x = 8,424.69

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Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.