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Finding the Third Proportional to 1,971 and 2,954

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Solution

The third proportional to 1,971 and 2,954 is: 4,427.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,971 : 2,954 = 2,954 : x
  2. Step 2: Convert to fraction form
    1,971/2,954 = 2,954/x
  3. Step 3: Cross multiply
    1,971x = 2,954 × 2,954
  4. Step 4: Simplify right side
    1,971x = 8,726,116
  5. Step 5: Solve for x
    x = 8,726,116/1,971
  6. Step 6: Final answer
    x = 4,427.25

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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.