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Finding the Third Proportional to 849.94 and 1,866.66

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Solution

The third proportional to 849.94 and 1,866.66 is: 4,099.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    849.94 : 1,866.66 = 1,866.66 : x
  2. Step 2: Convert to fraction form
    849.94/1,866.66 = 1,866.66/x
  3. Step 3: Cross multiply
    849.94x = 1,866.66 × 1,866.66
  4. Step 4: Simplify right side
    849.94x = 3,484,405.56
  5. Step 5: Solve for x
    x = 3,484,405.56/849.94
  6. Step 6: Final answer
    x = 4,099.60

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.