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Finding the Third Proportional to 831,237.19 and 1,790,704.69

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Solution

The third proportional to 831,237.19 and 1,790,704.69 is: 3,857,651.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,237.19 : 1,790,704.69 = 1,790,704.69 : x
  2. Step 2: Convert to fraction form
    831,237.19/1,790,704.69 = 1,790,704.69/x
  3. Step 3: Cross multiply
    831,237.19x = 1,790,704.69 × 1,790,704.69
  4. Step 4: Simplify right side
    831,237.19x = 3,206,623,277,834.47
  5. Step 5: Solve for x
    x = 3,206,623,277,834.47/831,237.19
  6. Step 6: Final answer
    x = 3,857,651.37

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.