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Finding the Third Proportional to 20,190,124 and 31,322,239

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Solution

The third proportional to 20,190,124 and 31,322,239 is: 48,592,205.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,190,124 : 31,322,239 = 31,322,239 : x
  2. Step 2: Convert to fraction form
    20,190,124/31,322,239 = 31,322,239/x
  3. Step 3: Cross multiply
    20,190,124x = 31,322,239 × 31,322,239
  4. Step 4: Simplify right side
    20,190,124x = 981,082,655,973,121
  5. Step 5: Solve for x
    x = 981,082,655,973,121/20,190,124
  6. Step 6: Final answer
    x = 48,592,205.57

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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.