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Finding the Third Proportional to 351,197,990 and 756,336,976

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Solution

The third proportional to 351,197,990 and 756,336,976 is: 1,628,840,817.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,197,990 : 756,336,976 = 756,336,976 : x
  2. Step 2: Convert to fraction form
    351,197,990/756,336,976 = 756,336,976/x
  3. Step 3: Cross multiply
    351,197,990x = 756,336,976 × 756,336,976
  4. Step 4: Simplify right side
    351,197,990x = 572,045,621,264,824,576
  5. Step 5: Solve for x
    x = 572,045,621,264,824,576/351,197,990
  6. Step 6: Final answer
    x = 1,628,840,817.87

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.