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Finding the Third Proportional to 21,571 and 46,611

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Solution

The third proportional to 21,571 and 46,611 is: 100,717.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,571 : 46,611 = 46,611 : x
  2. Step 2: Convert to fraction form
    21,571/46,611 = 46,611/x
  3. Step 3: Cross multiply
    21,571x = 46,611 × 46,611
  4. Step 4: Simplify right side
    21,571x = 2,172,585,321
  5. Step 5: Solve for x
    x = 2,172,585,321/21,571
  6. Step 6: Final answer
    x = 100,717.88

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.