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Finding the Third Proportional to 38,135,268 and 81,259,632

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Solution

The third proportional to 38,135,268 and 81,259,632 is: 173,150,160.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,135,268 : 81,259,632 = 81,259,632 : x
  2. Step 2: Convert to fraction form
    38,135,268/81,259,632 = 81,259,632/x
  3. Step 3: Cross multiply
    38,135,268x = 81,259,632 × 81,259,632
  4. Step 4: Simplify right side
    38,135,268x = 6,603,127,792,775,424
  5. Step 5: Solve for x
    x = 6,603,127,792,775,424/38,135,268
  6. Step 6: Final answer
    x = 173,150,160.97

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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.