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Finding the Third Proportional to 21,993 and 44,754

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Solution

The third proportional to 21,993 and 44,754 is: 91,070.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,993 : 44,754 = 44,754 : x
  2. Step 2: Convert to fraction form
    21,993/44,754 = 44,754/x
  3. Step 3: Cross multiply
    21,993x = 44,754 × 44,754
  4. Step 4: Simplify right side
    21,993x = 2,002,920,516
  5. Step 5: Solve for x
    x = 2,002,920,516/21,993
  6. Step 6: Final answer
    x = 91,070.82

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Why These Related Problems?

These problems maintain the same ratio (2.03) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.