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Finding the Third Proportional to 36,077,912 and 78,771,311

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Solution

The third proportional to 36,077,912 and 78,771,311 is: 171,986,655.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,077,912 : 78,771,311 = 78,771,311 : x
  2. Step 2: Convert to fraction form
    36,077,912/78,771,311 = 78,771,311/x
  3. Step 3: Cross multiply
    36,077,912x = 78,771,311 × 78,771,311
  4. Step 4: Simplify right side
    36,077,912x = 6,204,919,436,658,721
  5. Step 5: Solve for x
    x = 6,204,919,436,658,721/36,077,912
  6. Step 6: Final answer
    x = 171,986,655.90

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.