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Finding the Third Proportional to 21,682 and 44,308

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Solution

The third proportional to 21,682 and 44,308 is: 90,545.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,682 : 44,308 = 44,308 : x
  2. Step 2: Convert to fraction form
    21,682/44,308 = 44,308/x
  3. Step 3: Cross multiply
    21,682x = 44,308 × 44,308
  4. Step 4: Simplify right side
    21,682x = 1,963,198,864
  5. Step 5: Solve for x
    x = 1,963,198,864/21,682
  6. Step 6: Final answer
    x = 90,545.10

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Why These Related Problems?

These problems maintain the same ratio (2.04) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.