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Finding the Third Proportional to 4,382.44 and 6,620.06

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Solution

The third proportional to 4,382.44 and 6,620.06 is: 10,000.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,382.44 : 6,620.06 = 6,620.06 : x
  2. Step 2: Convert to fraction form
    4,382.44/6,620.06 = 6,620.06/x
  3. Step 3: Cross multiply
    4,382.44x = 6,620.06 × 6,620.06
  4. Step 4: Simplify right side
    4,382.44x = 43,825,227.50
  5. Step 5: Solve for x
    x = 43,825,227.50/4,382.44
  6. Step 6: Final answer
    x = 10,000.19

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.