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Finding the Third Proportional to 815,116,958 and 1,790,365,948

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Solution

The third proportional to 815,116,958 and 1,790,365,948 is: 3,932,454,350.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,116,958 : 1,790,365,948 = 1,790,365,948 : x
  2. Step 2: Convert to fraction form
    815,116,958/1,790,365,948 = 1,790,365,948/x
  3. Step 3: Cross multiply
    815,116,958x = 1,790,365,948 × 1,790,365,948
  4. Step 4: Simplify right side
    815,116,958x = 3,205,410,227,757,938,688
  5. Step 5: Solve for x
    x = 3,205,410,227,757,938,688/815,116,958
  6. Step 6: Final answer
    x = 3,932,454,350.63

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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.