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Finding the Third Proportional to 171,482 and 355,900

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Solution

The third proportional to 171,482 and 355,900 is: 738,647.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,482 : 355,900 = 355,900 : x
  2. Step 2: Convert to fraction form
    171,482/355,900 = 355,900/x
  3. Step 3: Cross multiply
    171,482x = 355,900 × 355,900
  4. Step 4: Simplify right side
    171,482x = 126,664,810,000
  5. Step 5: Solve for x
    x = 126,664,810,000/171,482
  6. Step 6: Final answer
    x = 738,647.85

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.