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Finding the Third Proportional to 55,869 and 82,716

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Solution

The third proportional to 55,869 and 82,716 is: 122,463.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,869 : 82,716 = 82,716 : x
  2. Step 2: Convert to fraction form
    55,869/82,716 = 82,716/x
  3. Step 3: Cross multiply
    55,869x = 82,716 × 82,716
  4. Step 4: Simplify right side
    55,869x = 6,841,936,656
  5. Step 5: Solve for x
    x = 6,841,936,656/55,869
  6. Step 6: Final answer
    x = 122,463.92

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Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.