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Finding the Third Proportional to 20,176 and 27,159

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Solution

The third proportional to 20,176 and 27,159 is: 36,558.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,176 : 27,159 = 27,159 : x
  2. Step 2: Convert to fraction form
    20,176/27,159 = 27,159/x
  3. Step 3: Cross multiply
    20,176x = 27,159 × 27,159
  4. Step 4: Simplify right side
    20,176x = 737,611,281
  5. Step 5: Solve for x
    x = 737,611,281/20,176
  6. Step 6: Final answer
    x = 36,558.85

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Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.