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Finding the Third Proportional to 26,869 and 42,536

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Solution

The third proportional to 26,869 and 42,536 is: 67,338.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,869 : 42,536 = 42,536 : x
  2. Step 2: Convert to fraction form
    26,869/42,536 = 42,536/x
  3. Step 3: Cross multiply
    26,869x = 42,536 × 42,536
  4. Step 4: Simplify right side
    26,869x = 1,809,311,296
  5. Step 5: Solve for x
    x = 1,809,311,296/26,869
  6. Step 6: Final answer
    x = 67,338.24

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Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.