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Finding the Third Proportional to 59,869 and 79,888

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Solution

The third proportional to 59,869 and 79,888 is: 106,600.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,869 : 79,888 = 79,888 : x
  2. Step 2: Convert to fraction form
    59,869/79,888 = 79,888/x
  3. Step 3: Cross multiply
    59,869x = 79,888 × 79,888
  4. Step 4: Simplify right side
    59,869x = 6,382,092,544
  5. Step 5: Solve for x
    x = 6,382,092,544/59,869
  6. Step 6: Final answer
    x = 106,600.95

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Why These Related Problems?

These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.