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Finding the Third Proportional to 20,772 and 44,261

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Solution

The third proportional to 20,772 and 44,261 is: 94,311.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,772 : 44,261 = 44,261 : x
  2. Step 2: Convert to fraction form
    20,772/44,261 = 44,261/x
  3. Step 3: Cross multiply
    20,772x = 44,261 × 44,261
  4. Step 4: Simplify right side
    20,772x = 1,959,036,121
  5. Step 5: Solve for x
    x = 1,959,036,121/20,772
  6. Step 6: Final answer
    x = 94,311.39

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.