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Finding the Third Proportional to 5,556.09 and 12,258.84

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Solution

The third proportional to 5,556.09 and 12,258.84 is: 27,047.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,556.09 : 12,258.84 = 12,258.84 : x
  2. Step 2: Convert to fraction form
    5,556.09/12,258.84 = 12,258.84/x
  3. Step 3: Cross multiply
    5,556.09x = 12,258.84 × 12,258.84
  4. Step 4: Simplify right side
    5,556.09x = 150,279,250.09
  5. Step 5: Solve for x
    x = 150,279,250.09/5,556.09
  6. Step 6: Final answer
    x = 27,047.64

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Why These Related Problems?

These problems maintain the same ratio (2.21) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.