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Finding the Third Proportional to 10,131 and 21,753

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Solution

The third proportional to 10,131 and 21,753 is: 46,707.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,131 : 21,753 = 21,753 : x
  2. Step 2: Convert to fraction form
    10,131/21,753 = 21,753/x
  3. Step 3: Cross multiply
    10,131x = 21,753 × 21,753
  4. Step 4: Simplify right side
    10,131x = 473,193,009
  5. Step 5: Solve for x
    x = 473,193,009/10,131
  6. Step 6: Final answer
    x = 46,707.43

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.