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Finding the Third Proportional to 36,456,420 and 79,171,885.50

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Solution

The third proportional to 36,456,420 and 79,171,885.50 is: 171,936,450.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,456,420 : 79,171,885.50 = 79,171,885.50 : x
  2. Step 2: Convert to fraction form
    36,456,420/79,171,885.50 = 79,171,885.50/x
  3. Step 3: Cross multiply
    36,456,420x = 79,171,885.50 × 79,171,885.50
  4. Step 4: Simplify right side
    36,456,420x = 6,268,187,453,625,110
  5. Step 5: Solve for x
    x = 6,268,187,453,625,110/36,456,420
  6. Step 6: Final answer
    x = 171,936,450.52

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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.