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Finding the Third Proportional to 20,155 and 26,523

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Solution

The third proportional to 20,155 and 26,523 is: 34,902.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,155 : 26,523 = 26,523 : x
  2. Step 2: Convert to fraction form
    20,155/26,523 = 26,523/x
  3. Step 3: Cross multiply
    20,155x = 26,523 × 26,523
  4. Step 4: Simplify right side
    20,155x = 703,469,529
  5. Step 5: Solve for x
    x = 703,469,529/20,155
  6. Step 6: Final answer
    x = 34,902.98

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Why These Related Problems?

These problems maintain the same ratio (1.32) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.