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Finding the Third Proportional to 4,438.13 and 6,208.31

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Solution

The third proportional to 4,438.13 and 6,208.31 is: 8,684.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,438.13 : 6,208.31 = 6,208.31 : x
  2. Step 2: Convert to fraction form
    4,438.13/6,208.31 = 6,208.31/x
  3. Step 3: Cross multiply
    4,438.13x = 6,208.31 × 6,208.31
  4. Step 4: Simplify right side
    4,438.13x = 38,543,144.10
  5. Step 5: Solve for x
    x = 38,543,144.10/4,438.13
  6. Step 6: Final answer
    x = 8,684.56

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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.