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Finding the Third Proportional to 815,116,616 and 1,790,365,088

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Solution

The third proportional to 815,116,616 and 1,790,365,088 is: 3,932,452,222.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,116,616 : 1,790,365,088 = 1,790,365,088 : x
  2. Step 2: Convert to fraction form
    815,116,616/1,790,365,088 = 1,790,365,088/x
  3. Step 3: Cross multiply
    815,116,616x = 1,790,365,088 × 1,790,365,088
  4. Step 4: Simplify right side
    815,116,616x = 3,205,407,148,329,247,744
  5. Step 5: Solve for x
    x = 3,205,407,148,329,247,744/815,116,616
  6. Step 6: Final answer
    x = 3,932,452,222.68

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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.