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Finding the Third Proportional to 4,008.75 and 5,604.75

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Solution

The third proportional to 4,008.75 and 5,604.75 is: 7,836.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,008.75 : 5,604.75 = 5,604.75 : x
  2. Step 2: Convert to fraction form
    4,008.75/5,604.75 = 5,604.75/x
  3. Step 3: Cross multiply
    4,008.75x = 5,604.75 × 5,604.75
  4. Step 4: Simplify right side
    4,008.75x = 31,413,222.56
  5. Step 5: Solve for x
    x = 31,413,222.56/4,008.75
  6. Step 6: Final answer
    x = 7,836.16

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.