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Finding the Third Proportional to 188,555,366 and 290,903,902

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Solution

The third proportional to 188,555,366 and 290,903,902 is: 448,807,594.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,555,366 : 290,903,902 = 290,903,902 : x
  2. Step 2: Convert to fraction form
    188,555,366/290,903,902 = 290,903,902/x
  3. Step 3: Cross multiply
    188,555,366x = 290,903,902 × 290,903,902
  4. Step 4: Simplify right side
    188,555,366x = 84,625,080,198,825,600
  5. Step 5: Solve for x
    x = 84,625,080,198,825,600/188,555,366
  6. Step 6: Final answer
    x = 448,807,594.26

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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.