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Finding the Third Proportional to 21,161 and 46,474

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Solution

The third proportional to 21,161 and 46,474 is: 102,066.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,161 : 46,474 = 46,474 : x
  2. Step 2: Convert to fraction form
    21,161/46,474 = 46,474/x
  3. Step 3: Cross multiply
    21,161x = 46,474 × 46,474
  4. Step 4: Simplify right side
    21,161x = 2,159,832,676
  5. Step 5: Solve for x
    x = 2,159,832,676/21,161
  6. Step 6: Final answer
    x = 102,066.66

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.