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Finding the Third Proportional to 38,869 and 61,808

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Solution

The third proportional to 38,869 and 61,808 is: 98,284.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,869 : 61,808 = 61,808 : x
  2. Step 2: Convert to fraction form
    38,869/61,808 = 61,808/x
  3. Step 3: Cross multiply
    38,869x = 61,808 × 61,808
  4. Step 4: Simplify right side
    38,869x = 3,820,228,864
  5. Step 5: Solve for x
    x = 3,820,228,864/38,869
  6. Step 6: Final answer
    x = 98,284.72

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.