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Finding the Third Proportional to 4,166.44 and 6,447.09

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Solution

The third proportional to 4,166.44 and 6,447.09 is: 9,976.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,166.44 : 6,447.09 = 6,447.09 : x
  2. Step 2: Convert to fraction form
    4,166.44/6,447.09 = 6,447.09/x
  3. Step 3: Cross multiply
    4,166.44x = 6,447.09 × 6,447.09
  4. Step 4: Simplify right side
    4,166.44x = 41,565,017.82
  5. Step 5: Solve for x
    x = 41,565,017.82/4,166.44
  6. Step 6: Final answer
    x = 9,976.15

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.