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Finding the Third Proportional to 87,653.25 and 131,479.88

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Solution

The third proportional to 87,653.25 and 131,479.88 is: 197,219.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,653.25 : 131,479.88 = 131,479.88 : x
  2. Step 2: Convert to fraction form
    87,653.25/131,479.88 = 131,479.88/x
  3. Step 3: Cross multiply
    87,653.25x = 131,479.88 × 131,479.88
  4. Step 4: Simplify right side
    87,653.25x = 17,286,957,530.02
  5. Step 5: Solve for x
    x = 17,286,957,530.02/87,653.25
  6. Step 6: Final answer
    x = 197,219.81

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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.