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Finding the Third Proportional to 11,561.06 and 25,395.19

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Solution

The third proportional to 11,561.06 and 25,395.19 is: 55,783.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,561.06 : 25,395.19 = 25,395.19 : x
  2. Step 2: Convert to fraction form
    11,561.06/25,395.19 = 25,395.19/x
  3. Step 3: Cross multiply
    11,561.06x = 25,395.19 × 25,395.19
  4. Step 4: Simplify right side
    11,561.06x = 644,915,548.16
  5. Step 5: Solve for x
    x = 644,915,548.16/11,561.06
  6. Step 6: Final answer
    x = 55,783.42

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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.