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Finding the Third Proportional to 21,804 and 48,543

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Solution

The third proportional to 21,804 and 48,543 is: 108,072.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,804 : 48,543 = 48,543 : x
  2. Step 2: Convert to fraction form
    21,804/48,543 = 48,543/x
  3. Step 3: Cross multiply
    21,804x = 48,543 × 48,543
  4. Step 4: Simplify right side
    21,804x = 2,356,422,849
  5. Step 5: Solve for x
    x = 2,356,422,849/21,804
  6. Step 6: Final answer
    x = 108,072.96

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Why These Related Problems?

These problems maintain the same ratio (2.23) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.