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Finding the Third Proportional to 172,273,544 and 264,796,812

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Solution

The third proportional to 172,273,544 and 264,796,812 is: 407,011,721.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,273,544 : 264,796,812 = 264,796,812 : x
  2. Step 2: Convert to fraction form
    172,273,544/264,796,812 = 264,796,812/x
  3. Step 3: Cross multiply
    172,273,544x = 264,796,812 × 264,796,812
  4. Step 4: Simplify right side
    172,273,544x = 70,117,351,645,363,344
  5. Step 5: Solve for x
    x = 70,117,351,645,363,344/172,273,544
  6. Step 6: Final answer
    x = 407,011,721.11

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.