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Finding the Third Proportional to 876,198 and 1,318,185

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Solution

The third proportional to 876,198 and 1,318,185 is: 1,983,126.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,198 : 1,318,185 = 1,318,185 : x
  2. Step 2: Convert to fraction form
    876,198/1,318,185 = 1,318,185/x
  3. Step 3: Cross multiply
    876,198x = 1,318,185 × 1,318,185
  4. Step 4: Simplify right side
    876,198x = 1,737,611,694,225
  5. Step 5: Solve for x
    x = 1,737,611,694,225/876,198
  6. Step 6: Final answer
    x = 1,983,126.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.