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Finding the Third Proportional to 21,313 and 44,872

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Solution

The third proportional to 21,313 and 44,872 is: 94,472.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,313 : 44,872 = 44,872 : x
  2. Step 2: Convert to fraction form
    21,313/44,872 = 44,872/x
  3. Step 3: Cross multiply
    21,313x = 44,872 × 44,872
  4. Step 4: Simplify right side
    21,313x = 2,013,496,384
  5. Step 5: Solve for x
    x = 2,013,496,384/21,313
  6. Step 6: Final answer
    x = 94,472.69

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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.