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Finding the Third Proportional to 91,974 and 187,836

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Solution

The third proportional to 91,974 and 187,836 is: 383,612.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,974 : 187,836 = 187,836 : x
  2. Step 2: Convert to fraction form
    91,974/187,836 = 187,836/x
  3. Step 3: Cross multiply
    91,974x = 187,836 × 187,836
  4. Step 4: Simplify right side
    91,974x = 35,282,362,896
  5. Step 5: Solve for x
    x = 35,282,362,896/91,974
  6. Step 6: Final answer
    x = 383,612.36

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Why These Related Problems?

These problems maintain the same ratio (2.04) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.