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Finding the Third Proportional to 856,591.50 and 1,904,661.75

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Solution

The third proportional to 856,591.50 and 1,904,661.75 is: 4,235,083.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,591.50 : 1,904,661.75 = 1,904,661.75 : x
  2. Step 2: Convert to fraction form
    856,591.50/1,904,661.75 = 1,904,661.75/x
  3. Step 3: Cross multiply
    856,591.50x = 1,904,661.75 × 1,904,661.75
  4. Step 4: Simplify right side
    856,591.50x = 3,627,736,381,913.06
  5. Step 5: Solve for x
    x = 3,627,736,381,913.06/856,591.50
  6. Step 6: Final answer
    x = 4,235,083.33

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Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.