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Finding the Third Proportional to 27,974 and 61,132

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Solution

The third proportional to 27,974 and 61,132 is: 133,592.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,974 : 61,132 = 61,132 : x
  2. Step 2: Convert to fraction form
    27,974/61,132 = 61,132/x
  3. Step 3: Cross multiply
    27,974x = 61,132 × 61,132
  4. Step 4: Simplify right side
    27,974x = 3,737,121,424
  5. Step 5: Solve for x
    x = 3,737,121,424/27,974
  6. Step 6: Final answer
    x = 133,592.67

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.