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Finding the Third Proportional to 203,662,638 and 453,422,916

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Solution

The third proportional to 203,662,638 and 453,422,916 is: 1,009,474,996.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,662,638 : 453,422,916 = 453,422,916 : x
  2. Step 2: Convert to fraction form
    203,662,638/453,422,916 = 453,422,916/x
  3. Step 3: Cross multiply
    203,662,638x = 453,422,916 × 453,422,916
  4. Step 4: Simplify right side
    203,662,638x = 205,592,340,753,943,040
  5. Step 5: Solve for x
    x = 205,592,340,753,943,040/203,662,638
  6. Step 6: Final answer
    x = 1,009,474,996.36

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Why These Related Problems?

These problems maintain the same ratio (2.23) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.