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Finding the Third Proportional to 40,391,865 and 87,631,794

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Solution

The third proportional to 40,391,865 and 87,631,794 is: 190,120,741.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,391,865 : 87,631,794 = 87,631,794 : x
  2. Step 2: Convert to fraction form
    40,391,865/87,631,794 = 87,631,794/x
  3. Step 3: Cross multiply
    40,391,865x = 87,631,794 × 87,631,794
  4. Step 4: Simplify right side
    40,391,865x = 7,679,331,319,658,436
  5. Step 5: Solve for x
    x = 7,679,331,319,658,436/40,391,865
  6. Step 6: Final answer
    x = 190,120,741.38

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.