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Finding the Third Proportional to 815,127,326 and 1,790,389,756

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Solution

The third proportional to 815,127,326 and 1,790,389,756 is: 3,932,508,917.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,127,326 : 1,790,389,756 = 1,790,389,756 : x
  2. Step 2: Convert to fraction form
    815,127,326/1,790,389,756 = 1,790,389,756/x
  3. Step 3: Cross multiply
    815,127,326x = 1,790,389,756 × 1,790,389,756
  4. Step 4: Simplify right side
    815,127,326x = 3,205,495,478,389,739,520
  5. Step 5: Solve for x
    x = 3,205,495,478,389,739,520/815,127,326
  6. Step 6: Final answer
    x = 3,932,508,917.50

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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.