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Finding the Third Proportional to 6,612 and 16,206

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Solution

The third proportional to 6,612 and 16,206 is: 39,720.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,612 : 16,206 = 16,206 : x
  2. Step 2: Convert to fraction form
    6,612/16,206 = 16,206/x
  3. Step 3: Cross multiply
    6,612x = 16,206 × 16,206
  4. Step 4: Simplify right side
    6,612x = 262,634,436
  5. Step 5: Solve for x
    x = 262,634,436/6,612
  6. Step 6: Final answer
    x = 39,720.88

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Why These Related Problems?

These problems maintain the same ratio (2.45) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.