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Finding the Third Proportional to 1,994 and 4,961

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Solution

The third proportional to 1,994 and 4,961 is: 12,342.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,994 : 4,961 = 4,961 : x
  2. Step 2: Convert to fraction form
    1,994/4,961 = 4,961/x
  3. Step 3: Cross multiply
    1,994x = 4,961 × 4,961
  4. Step 4: Simplify right side
    1,994x = 24,611,521
  5. Step 5: Solve for x
    x = 24,611,521/1,994
  6. Step 6: Final answer
    x = 12,342.79

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Why These Related Problems?

These problems maintain the same ratio (2.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.