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Finding the Third Proportional to 5,985 and 13,173

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Solution

The third proportional to 5,985 and 13,173 is: 28,993.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,985 : 13,173 = 13,173 : x
  2. Step 2: Convert to fraction form
    5,985/13,173 = 13,173/x
  3. Step 3: Cross multiply
    5,985x = 13,173 × 13,173
  4. Step 4: Simplify right side
    5,985x = 173,527,929
  5. Step 5: Solve for x
    x = 173,527,929/5,985
  6. Step 6: Final answer
    x = 28,993.81

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.