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Finding the Third Proportional to 285,500 and 444,600

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Solution

The third proportional to 285,500 and 444,600 is: 692,361.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,500 : 444,600 = 444,600 : x
  2. Step 2: Convert to fraction form
    285,500/444,600 = 444,600/x
  3. Step 3: Cross multiply
    285,500x = 444,600 × 444,600
  4. Step 4: Simplify right side
    285,500x = 197,669,160,000
  5. Step 5: Solve for x
    x = 197,669,160,000/285,500
  6. Step 6: Final answer
    x = 692,361.33

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.