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Finding the Third Proportional to 828.75 and 1,896.38

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Solution

The third proportional to 828.75 and 1,896.38 is: 4,339.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    828.75 : 1,896.38 = 1,896.38 : x
  2. Step 2: Convert to fraction form
    828.75/1,896.38 = 1,896.38/x
  3. Step 3: Cross multiply
    828.75x = 1,896.38 × 1,896.38
  4. Step 4: Simplify right side
    828.75x = 3,596,238.14
  5. Step 5: Solve for x
    x = 3,596,238.14/828.75
  6. Step 6: Final answer
    x = 4,339.35

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Why These Related Problems?

These problems maintain the same ratio (2.29) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.