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Finding the Third Proportional to 25,682 and 40,751

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Solution

The third proportional to 25,682 and 40,751 is: 64,661.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,682 : 40,751 = 40,751 : x
  2. Step 2: Convert to fraction form
    25,682/40,751 = 40,751/x
  3. Step 3: Cross multiply
    25,682x = 40,751 × 40,751
  4. Step 4: Simplify right side
    25,682x = 1,660,644,001
  5. Step 5: Solve for x
    x = 1,660,644,001/25,682
  6. Step 6: Final answer
    x = 64,661.79

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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.