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Finding the Third Proportional to 1,857.94 and 4,382.16

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Solution

The third proportional to 1,857.94 and 4,382.16 is: 10,335.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,857.94 : 4,382.16 = 4,382.16 : x
  2. Step 2: Convert to fraction form
    1,857.94/4,382.16 = 4,382.16/x
  3. Step 3: Cross multiply
    1,857.94x = 4,382.16 × 4,382.16
  4. Step 4: Simplify right side
    1,857.94x = 19,203,293.40
  5. Step 5: Solve for x
    x = 19,203,293.40/1,857.94
  6. Step 6: Final answer
    x = 10,335.81

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Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.