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Finding the Third Proportional to 20,955 and 44,331

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Solution

The third proportional to 20,955 and 44,331 is: 93,783.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,955 : 44,331 = 44,331 : x
  2. Step 2: Convert to fraction form
    20,955/44,331 = 44,331/x
  3. Step 3: Cross multiply
    20,955x = 44,331 × 44,331
  4. Step 4: Simplify right side
    20,955x = 1,965,237,561
  5. Step 5: Solve for x
    x = 1,965,237,561/20,955
  6. Step 6: Final answer
    x = 93,783.71

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.