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Finding the Third Proportional to 20,724 and 44,376

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Solution

The third proportional to 20,724 and 44,376 is: 95,021.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,724 : 44,376 = 44,376 : x
  2. Step 2: Convert to fraction form
    20,724/44,376 = 44,376/x
  3. Step 3: Cross multiply
    20,724x = 44,376 × 44,376
  4. Step 4: Simplify right side
    20,724x = 1,969,229,376
  5. Step 5: Solve for x
    x = 1,969,229,376/20,724
  6. Step 6: Final answer
    x = 95,021.68

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.