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Finding the Third Proportional to 20,190,132 and 31,322,251

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Solution

The third proportional to 20,190,132 and 31,322,251 is: 48,592,223.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,190,132 : 31,322,251 = 31,322,251 : x
  2. Step 2: Convert to fraction form
    20,190,132/31,322,251 = 31,322,251/x
  3. Step 3: Cross multiply
    20,190,132x = 31,322,251 × 31,322,251
  4. Step 4: Simplify right side
    20,190,132x = 981,083,407,707,001
  5. Step 5: Solve for x
    x = 981,083,407,707,001/20,190,132
  6. Step 6: Final answer
    x = 48,592,223.55

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.