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Finding the Third Proportional to 21,328 and 44,022

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Solution

The third proportional to 21,328 and 44,022 is: 90,863.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,328 : 44,022 = 44,022 : x
  2. Step 2: Convert to fraction form
    21,328/44,022 = 44,022/x
  3. Step 3: Cross multiply
    21,328x = 44,022 × 44,022
  4. Step 4: Simplify right side
    21,328x = 1,937,936,484
  5. Step 5: Solve for x
    x = 1,937,936,484/21,328
  6. Step 6: Final answer
    x = 90,863.49

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Why These Related Problems?

These problems maintain the same ratio (2.06) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.