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Finding the Third Proportional to 6,147 and 11,322

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Solution

The third proportional to 6,147 and 11,322 is: 20,853.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,147 : 11,322 = 11,322 : x
  2. Step 2: Convert to fraction form
    6,147/11,322 = 11,322/x
  3. Step 3: Cross multiply
    6,147x = 11,322 × 11,322
  4. Step 4: Simplify right side
    6,147x = 128,187,684
  5. Step 5: Solve for x
    x = 128,187,684/6,147
  6. Step 6: Final answer
    x = 20,853.70

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Why These Related Problems?

These problems maintain the same ratio (1.84) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.