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Finding the Third Proportional to 99,668 and 158,493

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Solution

The third proportional to 99,668 and 158,493 is: 252,037.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,668 : 158,493 = 158,493 : x
  2. Step 2: Convert to fraction form
    99,668/158,493 = 158,493/x
  3. Step 3: Cross multiply
    99,668x = 158,493 × 158,493
  4. Step 4: Simplify right side
    99,668x = 25,120,031,049
  5. Step 5: Solve for x
    x = 25,120,031,049/99,668
  6. Step 6: Final answer
    x = 252,037.07

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.