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Finding the Third Proportional to 7,224 and 11,450

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Solution

The third proportional to 7,224 and 11,450 is: 18,148.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,224 : 11,450 = 11,450 : x
  2. Step 2: Convert to fraction form
    7,224/11,450 = 11,450/x
  3. Step 3: Cross multiply
    7,224x = 11,450 × 11,450
  4. Step 4: Simplify right side
    7,224x = 131,102,500
  5. Step 5: Solve for x
    x = 131,102,500/7,224
  6. Step 6: Final answer
    x = 18,148.19

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Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.