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Finding the Third Proportional to 179,207,578 and 389,952,790

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Solution

The third proportional to 179,207,578 and 389,952,790 is: 848,530,961.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,207,578 : 389,952,790 = 389,952,790 : x
  2. Step 2: Convert to fraction form
    179,207,578/389,952,790 = 389,952,790/x
  3. Step 3: Cross multiply
    179,207,578x = 389,952,790 × 389,952,790
  4. Step 4: Simplify right side
    179,207,578x = 152,063,178,428,784,096
  5. Step 5: Solve for x
    x = 152,063,178,428,784,096/179,207,578
  6. Step 6: Final answer
    x = 848,530,961.28

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.