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Finding the Third Proportional to 21,028 and 44,004

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Solution

The third proportional to 21,028 and 44,004 is: 92,084.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,028 : 44,004 = 44,004 : x
  2. Step 2: Convert to fraction form
    21,028/44,004 = 44,004/x
  3. Step 3: Cross multiply
    21,028x = 44,004 × 44,004
  4. Step 4: Simplify right side
    21,028x = 1,936,352,016
  5. Step 5: Solve for x
    x = 1,936,352,016/21,028
  6. Step 6: Final answer
    x = 92,084.46

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Why These Related Problems?

These problems maintain the same ratio (2.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.