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Finding the Third Proportional to 139,732 and 197,529

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Solution

The third proportional to 139,732 and 197,529 is: 279,232.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,732 : 197,529 = 197,529 : x
  2. Step 2: Convert to fraction form
    139,732/197,529 = 197,529/x
  3. Step 3: Cross multiply
    139,732x = 197,529 × 197,529
  4. Step 4: Simplify right side
    139,732x = 39,017,705,841
  5. Step 5: Solve for x
    x = 39,017,705,841/139,732
  6. Step 6: Final answer
    x = 279,232.43

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.