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Finding the Third Proportional to 6,380 and 9,187

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Solution

The third proportional to 6,380 and 9,187 is: 13,228.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,380 : 9,187 = 9,187 : x
  2. Step 2: Convert to fraction form
    6,380/9,187 = 9,187/x
  3. Step 3: Cross multiply
    6,380x = 9,187 × 9,187
  4. Step 4: Simplify right side
    6,380x = 84,400,969
  5. Step 5: Solve for x
    x = 84,400,969/6,380
  6. Step 6: Final answer
    x = 13,228.99

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Why These Related Problems?

These problems maintain the same ratio (1.44) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.