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Finding the Third Proportional to 12,675 and 20,229

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Solution

The third proportional to 12,675 and 20,229 is: 32,285.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,675 : 20,229 = 20,229 : x
  2. Step 2: Convert to fraction form
    12,675/20,229 = 20,229/x
  3. Step 3: Cross multiply
    12,675x = 20,229 × 20,229
  4. Step 4: Simplify right side
    12,675x = 409,212,441
  5. Step 5: Solve for x
    x = 409,212,441/12,675
  6. Step 6: Final answer
    x = 32,285.01

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Why These Related Problems?

These problems maintain the same ratio (1.60) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.