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Finding the Third Proportional to 11,745.75 and 16,106.63

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Solution

The third proportional to 11,745.75 and 16,106.63 is: 22,086.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,745.75 : 16,106.63 = 16,106.63 : x
  2. Step 2: Convert to fraction form
    11,745.75/16,106.63 = 16,106.63/x
  3. Step 3: Cross multiply
    11,745.75x = 16,106.63 × 16,106.63
  4. Step 4: Simplify right side
    11,745.75x = 259,423,368.89
  5. Step 5: Solve for x
    x = 259,423,368.89/11,745.75
  6. Step 6: Final answer
    x = 22,086.57

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.