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Finding the Third Proportional to 21,219 and 44,571

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Solution

The third proportional to 21,219 and 44,571 is: 93,622.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,219 : 44,571 = 44,571 : x
  2. Step 2: Convert to fraction form
    21,219/44,571 = 44,571/x
  3. Step 3: Cross multiply
    21,219x = 44,571 × 44,571
  4. Step 4: Simplify right side
    21,219x = 1,986,574,041
  5. Step 5: Solve for x
    x = 1,986,574,041/21,219
  6. Step 6: Final answer
    x = 93,622.42

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.