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Finding the Third Proportional to 393,550,764 and 861,237,856

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Solution

The third proportional to 393,550,764 and 861,237,856 is: 1,884,714,025.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,550,764 : 861,237,856 = 861,237,856 : x
  2. Step 2: Convert to fraction form
    393,550,764/861,237,856 = 861,237,856/x
  3. Step 3: Cross multiply
    393,550,764x = 861,237,856 × 861,237,856
  4. Step 4: Simplify right side
    393,550,764x = 741,730,644,607,476,736
  5. Step 5: Solve for x
    x = 741,730,644,607,476,736/393,550,764
  6. Step 6: Final answer
    x = 1,884,714,025.37

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.