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Finding the Third Proportional to 21,131 and 44,956

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Solution

The third proportional to 21,131 and 44,956 is: 95,643.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,131 : 44,956 = 44,956 : x
  2. Step 2: Convert to fraction form
    21,131/44,956 = 44,956/x
  3. Step 3: Cross multiply
    21,131x = 44,956 × 44,956
  4. Step 4: Simplify right side
    21,131x = 2,021,041,936
  5. Step 5: Solve for x
    x = 2,021,041,936/21,131
  6. Step 6: Final answer
    x = 95,643.46

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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.