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Finding the Third Proportional to 1,954,338,856 and 4,259,841,860

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Solution

The third proportional to 1,954,338,856 and 4,259,841,860 is: 9,285,110,725.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,954,338,856 : 4,259,841,860 = 4,259,841,860 : x
  2. Step 2: Convert to fraction form
    1,954,338,856/4,259,841,860 = 4,259,841,860/x
  3. Step 3: Cross multiply
    1,954,338,856x = 4,259,841,860 × 4,259,841,860
  4. Step 4: Simplify right side
    1,954,338,856x = 18,146,252,672,208,259,072
  5. Step 5: Solve for x
    x = 18,146,252,672,208,259,072/1,954,338,856
  6. Step 6: Final answer
    x = 9,285,110,725.04

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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.