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Finding the Third Proportional to 7,379 and 9,582

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Solution

The third proportional to 7,379 and 9,582 is: 12,442.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,379 : 9,582 = 9,582 : x
  2. Step 2: Convert to fraction form
    7,379/9,582 = 9,582/x
  3. Step 3: Cross multiply
    7,379x = 9,582 × 9,582
  4. Step 4: Simplify right side
    7,379x = 91,814,724
  5. Step 5: Solve for x
    x = 91,814,724/7,379
  6. Step 6: Final answer
    x = 12,442.71

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Why These Related Problems?

These problems maintain the same ratio (1.30) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.