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Finding the Third Proportional to 4,392 and 8,268

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Solution

The third proportional to 4,392 and 8,268 is: 15,564.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,392 : 8,268 = 8,268 : x
  2. Step 2: Convert to fraction form
    4,392/8,268 = 8,268/x
  3. Step 3: Cross multiply
    4,392x = 8,268 × 8,268
  4. Step 4: Simplify right side
    4,392x = 68,359,824
  5. Step 5: Solve for x
    x = 68,359,824/4,392
  6. Step 6: Final answer
    x = 15,564.62

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Why These Related Problems?

These problems maintain the same ratio (1.88) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.