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Finding the Third Proportional to 6,379.88 and 9,347.25

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Solution

The third proportional to 6,379.88 and 9,347.25 is: 13,694.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,379.88 : 9,347.25 = 9,347.25 : x
  2. Step 2: Convert to fraction form
    6,379.88/9,347.25 = 9,347.25/x
  3. Step 3: Cross multiply
    6,379.88x = 9,347.25 × 9,347.25
  4. Step 4: Simplify right side
    6,379.88x = 87,371,082.56
  5. Step 5: Solve for x
    x = 87,371,082.56/6,379.88
  6. Step 6: Final answer
    x = 13,694.80

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.