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Finding the Third Proportional to 4,315 and 4,954

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Solution

The third proportional to 4,315 and 4,954 is: 5,687.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,315 : 4,954 = 4,954 : x
  2. Step 2: Convert to fraction form
    4,315/4,954 = 4,954/x
  3. Step 3: Cross multiply
    4,315x = 4,954 × 4,954
  4. Step 4: Simplify right side
    4,315x = 24,542,116
  5. Step 5: Solve for x
    x = 24,542,116/4,315
  6. Step 6: Final answer
    x = 5,687.63

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Why These Related Problems?

These problems maintain the same ratio (1.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.