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Finding the Third Proportional to 815,116,956 and 1,790,365,944

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Solution

The third proportional to 815,116,956 and 1,790,365,944 is: 3,932,454,342.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,116,956 : 1,790,365,944 = 1,790,365,944 : x
  2. Step 2: Convert to fraction form
    815,116,956/1,790,365,944 = 1,790,365,944/x
  3. Step 3: Cross multiply
    815,116,956x = 1,790,365,944 × 1,790,365,944
  4. Step 4: Simplify right side
    815,116,956x = 3,205,410,213,435,011,072
  5. Step 5: Solve for x
    x = 3,205,410,213,435,011,072/815,116,956
  6. Step 6: Final answer
    x = 3,932,454,342.71

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.