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Finding the Third Proportional to 20,949 and 27,535

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Solution

The third proportional to 20,949 and 27,535 is: 36,191.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,949 : 27,535 = 27,535 : x
  2. Step 2: Convert to fraction form
    20,949/27,535 = 27,535/x
  3. Step 3: Cross multiply
    20,949x = 27,535 × 27,535
  4. Step 4: Simplify right side
    20,949x = 758,176,225
  5. Step 5: Solve for x
    x = 758,176,225/20,949
  6. Step 6: Final answer
    x = 36,191.52

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Why These Related Problems?

These problems maintain the same ratio (1.31) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.