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Finding the Third Proportional to 31,336,288 and 68,726,018

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Solution

The third proportional to 31,336,288 and 68,726,018 is: 150,728,304.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,336,288 : 68,726,018 = 68,726,018 : x
  2. Step 2: Convert to fraction form
    31,336,288/68,726,018 = 68,726,018/x
  3. Step 3: Cross multiply
    31,336,288x = 68,726,018 × 68,726,018
  4. Step 4: Simplify right side
    31,336,288x = 4,723,265,550,136,324
  5. Step 5: Solve for x
    x = 4,723,265,550,136,324/31,336,288
  6. Step 6: Final answer
    x = 150,728,304.20

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.