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Finding the Third Proportional to 190,128 and 274,032

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Solution

The third proportional to 190,128 and 274,032 is: 394,963.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,128 : 274,032 = 274,032 : x
  2. Step 2: Convert to fraction form
    190,128/274,032 = 274,032/x
  3. Step 3: Cross multiply
    190,128x = 274,032 × 274,032
  4. Step 4: Simplify right side
    190,128x = 75,093,537,024
  5. Step 5: Solve for x
    x = 75,093,537,024/190,128
  6. Step 6: Final answer
    x = 394,963.06

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Why These Related Problems?

These problems maintain the same ratio (1.44) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.