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Finding the Third Proportional to 69,882 and 108,974

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Solution

The third proportional to 69,882 and 108,974 is: 169,934.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,882 : 108,974 = 108,974 : x
  2. Step 2: Convert to fraction form
    69,882/108,974 = 108,974/x
  3. Step 3: Cross multiply
    69,882x = 108,974 × 108,974
  4. Step 4: Simplify right side
    69,882x = 11,875,332,676
  5. Step 5: Solve for x
    x = 11,875,332,676/69,882
  6. Step 6: Final answer
    x = 169,934.07

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.