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Finding the Third Proportional to 5,541.75 and 7,698.38

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Solution

The third proportional to 5,541.75 and 7,698.38 is: 10,694.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,541.75 : 7,698.38 = 7,698.38 : x
  2. Step 2: Convert to fraction form
    5,541.75/7,698.38 = 7,698.38/x
  3. Step 3: Cross multiply
    5,541.75x = 7,698.38 × 7,698.38
  4. Step 4: Simplify right side
    5,541.75x = 59,264,977.64
  5. Step 5: Solve for x
    x = 59,264,977.64/5,541.75
  6. Step 6: Final answer
    x = 10,694.27

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.