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Finding the Third Proportional to 31,836,929,067 and 68,146,190,028

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Solution

The third proportional to 31,836,929,067 and 68,146,190,028 is: 145,865,300,185.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,836,929,067 : 68,146,190,028 = 68,146,190,028 : x
  2. Step 2: Convert to fraction form
    31,836,929,067/68,146,190,028 = 68,146,190,028/x
  3. Step 3: Cross multiply
    31,836,929,067x = 68,146,190,028 × 68,146,190,028
  4. Step 4: Simplify right side
    31,836,929,067x = 4,643,903,215,332,286,791,680
  5. Step 5: Solve for x
    x = 4,643,903,215,332,286,791,680/31,836,929,067
  6. Step 6: Final answer
    x = 145,865,300,185.18

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.