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Finding the Third Proportional to 209,763 and 332,316

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Solution

The third proportional to 209,763 and 332,316 is: 526,469.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,763 : 332,316 = 332,316 : x
  2. Step 2: Convert to fraction form
    209,763/332,316 = 332,316/x
  3. Step 3: Cross multiply
    209,763x = 332,316 × 332,316
  4. Step 4: Simplify right side
    209,763x = 110,433,923,856
  5. Step 5: Solve for x
    x = 110,433,923,856/209,763
  6. Step 6: Final answer
    x = 526,469.99

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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.