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Finding the Third Proportional to 173,638,132 and 377,467,880

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Solution

The third proportional to 173,638,132 and 377,467,880 is: 820,568,608.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,638,132 : 377,467,880 = 377,467,880 : x
  2. Step 2: Convert to fraction form
    173,638,132/377,467,880 = 377,467,880/x
  3. Step 3: Cross multiply
    173,638,132x = 377,467,880 × 377,467,880
  4. Step 4: Simplify right side
    173,638,132x = 142,482,000,431,694,400
  5. Step 5: Solve for x
    x = 142,482,000,431,694,400/173,638,132
  6. Step 6: Final answer
    x = 820,568,608.93

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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.