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Finding the Third Proportional to 87,525 and 190,890

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Solution

The third proportional to 87,525 and 190,890 is: 416,326.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,525 : 190,890 = 190,890 : x
  2. Step 2: Convert to fraction form
    87,525/190,890 = 190,890/x
  3. Step 3: Cross multiply
    87,525x = 190,890 × 190,890
  4. Step 4: Simplify right side
    87,525x = 36,438,992,100
  5. Step 5: Solve for x
    x = 36,438,992,100/87,525
  6. Step 6: Final answer
    x = 416,326.67

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.