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Finding the Third Proportional to 36,456,431 and 79,171,907

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Solution

The third proportional to 36,456,431 and 79,171,907 is: 171,936,492.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,456,431 : 79,171,907 = 79,171,907 : x
  2. Step 2: Convert to fraction form
    36,456,431/79,171,907 = 79,171,907/x
  3. Step 3: Cross multiply
    36,456,431x = 79,171,907 × 79,171,907
  4. Step 4: Simplify right side
    36,456,431x = 6,268,190,858,016,649
  5. Step 5: Solve for x
    x = 6,268,190,858,016,649/36,456,431
  6. Step 6: Final answer
    x = 171,936,492.03

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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.