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Finding the Third Proportional to 757,917 and 1,641,981.38

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Solution

The third proportional to 757,917 and 1,641,981.38 is: 3,557,253.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,917 : 1,641,981.38 = 1,641,981.38 : x
  2. Step 2: Convert to fraction form
    757,917/1,641,981.38 = 1,641,981.38/x
  3. Step 3: Cross multiply
    757,917x = 1,641,981.38 × 1,641,981.38
  4. Step 4: Simplify right side
    757,917x = 2,696,102,835,846.89
  5. Step 5: Solve for x
    x = 2,696,102,835,846.89/757,917
  6. Step 6: Final answer
    x = 3,557,253.41

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.