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Finding the Third Proportional to 71,685 and 154,467

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Solution

The third proportional to 71,685 and 154,467 is: 332,845.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,685 : 154,467 = 154,467 : x
  2. Step 2: Convert to fraction form
    71,685/154,467 = 154,467/x
  3. Step 3: Cross multiply
    71,685x = 154,467 × 154,467
  4. Step 4: Simplify right side
    71,685x = 23,860,054,089
  5. Step 5: Solve for x
    x = 23,860,054,089/71,685
  6. Step 6: Final answer
    x = 332,845.84

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.