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Finding the Third Proportional to 26,678 and 61,754

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Solution

The third proportional to 26,678 and 61,754 is: 142,947.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,678 : 61,754 = 61,754 : x
  2. Step 2: Convert to fraction form
    26,678/61,754 = 61,754/x
  3. Step 3: Cross multiply
    26,678x = 61,754 × 61,754
  4. Step 4: Simplify right side
    26,678x = 3,813,556,516
  5. Step 5: Solve for x
    x = 3,813,556,516/26,678
  6. Step 6: Final answer
    x = 142,947.62

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Why These Related Problems?

These problems maintain the same ratio (2.31) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.