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Finding the Third Proportional to 3,155 and 4,883

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Solution

The third proportional to 3,155 and 4,883 is: 7,557.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,155 : 4,883 = 4,883 : x
  2. Step 2: Convert to fraction form
    3,155/4,883 = 4,883/x
  3. Step 3: Cross multiply
    3,155x = 4,883 × 4,883
  4. Step 4: Simplify right side
    3,155x = 23,843,689
  5. Step 5: Solve for x
    x = 23,843,689/3,155
  6. Step 6: Final answer
    x = 7,557.43

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.