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Finding the Third Proportional to 691,176.75 and 1,081,872.75

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Solution

The third proportional to 691,176.75 and 1,081,872.75 is: 1,693,414.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,176.75 : 1,081,872.75 = 1,081,872.75 : x
  2. Step 2: Convert to fraction form
    691,176.75/1,081,872.75 = 1,081,872.75/x
  3. Step 3: Cross multiply
    691,176.75x = 1,081,872.75 × 1,081,872.75
  4. Step 4: Simplify right side
    691,176.75x = 1,170,448,647,192.56
  5. Step 5: Solve for x
    x = 1,170,448,647,192.56/691,176.75
  6. Step 6: Final answer
    x = 1,693,414.38

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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.