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Finding the Third Proportional to 70,622 and 110,100

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Solution

The third proportional to 70,622 and 110,100 is: 171,646.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,622 : 110,100 = 110,100 : x
  2. Step 2: Convert to fraction form
    70,622/110,100 = 110,100/x
  3. Step 3: Cross multiply
    70,622x = 110,100 × 110,100
  4. Step 4: Simplify right side
    70,622x = 12,122,010,000
  5. Step 5: Solve for x
    x = 12,122,010,000/70,622
  6. Step 6: Final answer
    x = 171,646.37

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.