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Finding the Third Proportional to 188,555,379 and 290,903,922

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Solution

The third proportional to 188,555,379 and 290,903,922 is: 448,807,625.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,555,379 : 290,903,922 = 290,903,922 : x
  2. Step 2: Convert to fraction form
    188,555,379/290,903,922 = 290,903,922/x
  3. Step 3: Cross multiply
    188,555,379x = 290,903,922 × 290,903,922
  4. Step 4: Simplify right side
    188,555,379x = 84,625,091,834,982,080
  5. Step 5: Solve for x
    x = 84,625,091,834,982,080/188,555,379
  6. Step 6: Final answer
    x = 448,807,625.03

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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.