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Finding the Third Proportional to 4,420 and 6,195

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Solution

The third proportional to 4,420 and 6,195 is: 8,682.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,420 : 6,195 = 6,195 : x
  2. Step 2: Convert to fraction form
    4,420/6,195 = 6,195/x
  3. Step 3: Cross multiply
    4,420x = 6,195 × 6,195
  4. Step 4: Simplify right side
    4,420x = 38,378,025
  5. Step 5: Solve for x
    x = 38,378,025/4,420
  6. Step 6: Final answer
    x = 8,682.81

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.