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Finding the Third Proportional to 21,703 and 44,558

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Solution

The third proportional to 21,703 and 44,558 is: 91,481.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,703 : 44,558 = 44,558 : x
  2. Step 2: Convert to fraction form
    21,703/44,558 = 44,558/x
  3. Step 3: Cross multiply
    21,703x = 44,558 × 44,558
  4. Step 4: Simplify right side
    21,703x = 1,985,415,364
  5. Step 5: Solve for x
    x = 1,985,415,364/21,703
  6. Step 6: Final answer
    x = 91,481.15

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Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.