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Finding the Third Proportional to 856,611 and 1,842,405.75

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Solution

The third proportional to 856,611 and 1,842,405.75 is: 3,962,660.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,611 : 1,842,405.75 = 1,842,405.75 : x
  2. Step 2: Convert to fraction form
    856,611/1,842,405.75 = 1,842,405.75/x
  3. Step 3: Cross multiply
    856,611x = 1,842,405.75 × 1,842,405.75
  4. Step 4: Simplify right side
    856,611x = 3,394,458,947,633.06
  5. Step 5: Solve for x
    x = 3,394,458,947,633.06/856,611
  6. Step 6: Final answer
    x = 3,962,660.94

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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.