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Finding the Third Proportional to 108,223 and 154,450

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Solution

The third proportional to 108,223 and 154,450 is: 220,422.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,223 : 154,450 = 154,450 : x
  2. Step 2: Convert to fraction form
    108,223/154,450 = 154,450/x
  3. Step 3: Cross multiply
    108,223x = 154,450 × 154,450
  4. Step 4: Simplify right side
    108,223x = 23,854,802,500
  5. Step 5: Solve for x
    x = 23,854,802,500/108,223
  6. Step 6: Final answer
    x = 220,422.67

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.