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Finding the Third Proportional to 21,404 and 44,170

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Solution

The third proportional to 21,404 and 44,170 is: 91,150.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,404 : 44,170 = 44,170 : x
  2. Step 2: Convert to fraction form
    21,404/44,170 = 44,170/x
  3. Step 3: Cross multiply
    21,404x = 44,170 × 44,170
  4. Step 4: Simplify right side
    21,404x = 1,950,988,900
  5. Step 5: Solve for x
    x = 1,950,988,900/21,404
  6. Step 6: Final answer
    x = 91,150.67

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Why These Related Problems?

These problems maintain the same ratio (2.06) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.