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Finding the Third Proportional to 1,077,696 and 1,690,578.75

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Solution

The third proportional to 1,077,696 and 1,690,578.75 is: 2,652,006.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,077,696 : 1,690,578.75 = 1,690,578.75 : x
  2. Step 2: Convert to fraction form
    1,077,696/1,690,578.75 = 1,690,578.75/x
  3. Step 3: Cross multiply
    1,077,696x = 1,690,578.75 × 1,690,578.75
  4. Step 4: Simplify right side
    1,077,696x = 2,858,056,509,951.56
  5. Step 5: Solve for x
    x = 2,858,056,509,951.56/1,077,696
  6. Step 6: Final answer
    x = 2,652,006.23

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.