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Finding the Third Proportional to 4,190 and 7,444

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Solution

The third proportional to 4,190 and 7,444 is: 13,225.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,190 : 7,444 = 7,444 : x
  2. Step 2: Convert to fraction form
    4,190/7,444 = 7,444/x
  3. Step 3: Cross multiply
    4,190x = 7,444 × 7,444
  4. Step 4: Simplify right side
    4,190x = 55,413,136
  5. Step 5: Solve for x
    x = 55,413,136/4,190
  6. Step 6: Final answer
    x = 13,225.09

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Why These Related Problems?

These problems maintain the same ratio (1.78) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.