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Finding the Third Proportional to 7,180 and 16,774

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Solution

The third proportional to 7,180 and 16,774 is: 39,187.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,180 : 16,774 = 16,774 : x
  2. Step 2: Convert to fraction form
    7,180/16,774 = 16,774/x
  3. Step 3: Cross multiply
    7,180x = 16,774 × 16,774
  4. Step 4: Simplify right side
    7,180x = 281,367,076
  5. Step 5: Solve for x
    x = 281,367,076/7,180
  6. Step 6: Final answer
    x = 39,187.62

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Why These Related Problems?

These problems maintain the same ratio (2.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.