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Finding the Third Proportional to 111,072,156 and 239,213,022

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Solution

The third proportional to 111,072,156 and 239,213,022 is: 515,186,451.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,072,156 : 239,213,022 = 239,213,022 : x
  2. Step 2: Convert to fraction form
    111,072,156/239,213,022 = 239,213,022/x
  3. Step 3: Cross multiply
    111,072,156x = 239,213,022 × 239,213,022
  4. Step 4: Simplify right side
    111,072,156x = 57,222,869,894,372,480
  5. Step 5: Solve for x
    x = 57,222,869,894,372,480/111,072,156
  6. Step 6: Final answer
    x = 515,186,451.36

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.