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Finding the Third Proportional to 11,756.50 and 18,224

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Solution

The third proportional to 11,756.50 and 18,224 is: 28,249.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,756.50 : 18,224 = 18,224 : x
  2. Step 2: Convert to fraction form
    11,756.50/18,224 = 18,224/x
  3. Step 3: Cross multiply
    11,756.50x = 18,224 × 18,224
  4. Step 4: Simplify right side
    11,756.50x = 332,114,176
  5. Step 5: Solve for x
    x = 332,114,176/11,756.50
  6. Step 6: Final answer
    x = 28,249.41

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.