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Finding the Third Proportional to 87,634 and 131,303

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Solution

The third proportional to 87,634 and 131,303 is: 196,732.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,634 : 131,303 = 131,303 : x
  2. Step 2: Convert to fraction form
    87,634/131,303 = 131,303/x
  3. Step 3: Cross multiply
    87,634x = 131,303 × 131,303
  4. Step 4: Simplify right side
    87,634x = 17,240,477,809
  5. Step 5: Solve for x
    x = 17,240,477,809/87,634
  6. Step 6: Final answer
    x = 196,732.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.