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Finding the Third Proportional to 100,869 and 137,059

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Solution

The third proportional to 100,869 and 137,059 is: 186,233.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,869 : 137,059 = 137,059 : x
  2. Step 2: Convert to fraction form
    100,869/137,059 = 137,059/x
  3. Step 3: Cross multiply
    100,869x = 137,059 × 137,059
  4. Step 4: Simplify right side
    100,869x = 18,785,169,481
  5. Step 5: Solve for x
    x = 18,785,169,481/100,869
  6. Step 6: Final answer
    x = 186,233.33

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.