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Finding the Third Proportional to 5,409 and 11,993.25

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Solution

The third proportional to 5,409 and 11,993.25 is: 26,592.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,409 : 11,993.25 = 11,993.25 : x
  2. Step 2: Convert to fraction form
    5,409/11,993.25 = 11,993.25/x
  3. Step 3: Cross multiply
    5,409x = 11,993.25 × 11,993.25
  4. Step 4: Simplify right side
    5,409x = 143,838,045.56
  5. Step 5: Solve for x
    x = 143,838,045.56/5,409
  6. Step 6: Final answer
    x = 26,592.35

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Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.