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Finding the Third Proportional to 20,993 and 44,356

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Solution

The third proportional to 20,993 and 44,356 is: 93,719.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,993 : 44,356 = 44,356 : x
  2. Step 2: Convert to fraction form
    20,993/44,356 = 44,356/x
  3. Step 3: Cross multiply
    20,993x = 44,356 × 44,356
  4. Step 4: Simplify right side
    20,993x = 1,967,454,736
  5. Step 5: Solve for x
    x = 1,967,454,736/20,993
  6. Step 6: Final answer
    x = 93,719.56

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Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.