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Finding the Third Proportional to 19,458 and 41,682

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Solution

The third proportional to 19,458 and 41,682 is: 89,289.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,458 : 41,682 = 41,682 : x
  2. Step 2: Convert to fraction form
    19,458/41,682 = 41,682/x
  3. Step 3: Cross multiply
    19,458x = 41,682 × 41,682
  4. Step 4: Simplify right side
    19,458x = 1,737,389,124
  5. Step 5: Solve for x
    x = 1,737,389,124/19,458
  6. Step 6: Final answer
    x = 89,289.19

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.