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Finding the Third Proportional to 19,929,285 and 43,580,843

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Solution

The third proportional to 19,929,285 and 43,580,843 is: 95,301,455.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,929,285 : 43,580,843 = 43,580,843 : x
  2. Step 2: Convert to fraction form
    19,929,285/43,580,843 = 43,580,843/x
  3. Step 3: Cross multiply
    19,929,285x = 43,580,843 × 43,580,843
  4. Step 4: Simplify right side
    19,929,285x = 1,899,289,876,590,649
  5. Step 5: Solve for x
    x = 1,899,289,876,590,649/19,929,285
  6. Step 6: Final answer
    x = 95,301,455.95

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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.