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Finding the Third Proportional to 275,207 and 366,984

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Solution

The third proportional to 275,207 and 366,984 is: 489,367.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,207 : 366,984 = 366,984 : x
  2. Step 2: Convert to fraction form
    275,207/366,984 = 366,984/x
  3. Step 3: Cross multiply
    275,207x = 366,984 × 366,984
  4. Step 4: Simplify right side
    275,207x = 134,677,256,256
  5. Step 5: Solve for x
    x = 134,677,256,256/275,207
  6. Step 6: Final answer
    x = 489,367.12

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Why These Related Problems?

These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.