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Finding the Third Proportional to 7,327,638 and 15,629,128.50

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Solution

The third proportional to 7,327,638 and 15,629,128.50 is: 33,335,388.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,327,638 : 15,629,128.50 = 15,629,128.50 : x
  2. Step 2: Convert to fraction form
    7,327,638/15,629,128.50 = 15,629,128.50/x
  3. Step 3: Cross multiply
    7,327,638x = 15,629,128.50 × 15,629,128.50
  4. Step 4: Simplify right side
    7,327,638x = 244,269,657,669,512.25
  5. Step 5: Solve for x
    x = 244,269,657,669,512.25/7,327,638
  6. Step 6: Final answer
    x = 33,335,388.25

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.