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Finding the Third Proportional to 20,185 and 43,571

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Solution

The third proportional to 20,185 and 43,571 is: 94,051.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,185 : 43,571 = 43,571 : x
  2. Step 2: Convert to fraction form
    20,185/43,571 = 43,571/x
  3. Step 3: Cross multiply
    20,185x = 43,571 × 43,571
  4. Step 4: Simplify right side
    20,185x = 1,898,432,041
  5. Step 5: Solve for x
    x = 1,898,432,041/20,185
  6. Step 6: Final answer
    x = 94,051.62

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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.