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Finding the Third Proportional to 107,670 and 154,126

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Solution

The third proportional to 107,670 and 154,126 is: 220,626.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,670 : 154,126 = 154,126 : x
  2. Step 2: Convert to fraction form
    107,670/154,126 = 154,126/x
  3. Step 3: Cross multiply
    107,670x = 154,126 × 154,126
  4. Step 4: Simplify right side
    107,670x = 23,754,823,876
  5. Step 5: Solve for x
    x = 23,754,823,876/107,670
  6. Step 6: Final answer
    x = 220,626.21

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.