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Finding the Third Proportional to 172,629,855 and 369,883,122

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Solution

The third proportional to 172,629,855 and 369,883,122 is: 792,525,278.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,629,855 : 369,883,122 = 369,883,122 : x
  2. Step 2: Convert to fraction form
    172,629,855/369,883,122 = 369,883,122/x
  3. Step 3: Cross multiply
    172,629,855x = 369,883,122 × 369,883,122
  4. Step 4: Simplify right side
    172,629,855x = 136,813,523,940,466,880
  5. Step 5: Solve for x
    x = 136,813,523,940,466,880/172,629,855
  6. Step 6: Final answer
    x = 792,525,278.67

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.