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Finding the Third Proportional to 190,656 and 376,520

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Solution

The third proportional to 190,656 and 376,520 is: 743,576.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,656 : 376,520 = 376,520 : x
  2. Step 2: Convert to fraction form
    190,656/376,520 = 376,520/x
  3. Step 3: Cross multiply
    190,656x = 376,520 × 376,520
  4. Step 4: Simplify right side
    190,656x = 141,767,310,400
  5. Step 5: Solve for x
    x = 141,767,310,400/190,656
  6. Step 6: Final answer
    x = 743,576.44

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Why These Related Problems?

These problems maintain the same ratio (1.97) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.