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Finding the Third Proportional to 21,622.50 and 29,058.75

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Solution

The third proportional to 21,622.50 and 29,058.75 is: 39,052.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,622.50 : 29,058.75 = 29,058.75 : x
  2. Step 2: Convert to fraction form
    21,622.50/29,058.75 = 29,058.75/x
  3. Step 3: Cross multiply
    21,622.50x = 29,058.75 × 29,058.75
  4. Step 4: Simplify right side
    21,622.50x = 844,410,951.56
  5. Step 5: Solve for x
    x = 844,410,951.56/21,622.50
  6. Step 6: Final answer
    x = 39,052.42

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Why These Related Problems?

These problems maintain the same ratio (1.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.