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Finding the Third Proportional to 100,992 and 149,544

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Solution

The third proportional to 100,992 and 149,544 is: 221,437.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,992 : 149,544 = 149,544 : x
  2. Step 2: Convert to fraction form
    100,992/149,544 = 149,544/x
  3. Step 3: Cross multiply
    100,992x = 149,544 × 149,544
  4. Step 4: Simplify right side
    100,992x = 22,363,407,936
  5. Step 5: Solve for x
    x = 22,363,407,936/100,992
  6. Step 6: Final answer
    x = 221,437.42

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Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.