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Finding the Third Proportional to 4,227 and 8,346

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Solution

The third proportional to 4,227 and 8,346 is: 16,478.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,227 : 8,346 = 8,346 : x
  2. Step 2: Convert to fraction form
    4,227/8,346 = 8,346/x
  3. Step 3: Cross multiply
    4,227x = 8,346 × 8,346
  4. Step 4: Simplify right side
    4,227x = 69,655,716
  5. Step 5: Solve for x
    x = 69,655,716/4,227
  6. Step 6: Final answer
    x = 16,478.76

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Why These Related Problems?

These problems maintain the same ratio (1.97) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.