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Finding the Third Proportional to 1,813 and 4,682

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Solution

The third proportional to 1,813 and 4,682 is: 12,091.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,813 : 4,682 = 4,682 : x
  2. Step 2: Convert to fraction form
    1,813/4,682 = 4,682/x
  3. Step 3: Cross multiply
    1,813x = 4,682 × 4,682
  4. Step 4: Simplify right side
    1,813x = 21,921,124
  5. Step 5: Solve for x
    x = 21,921,124/1,813
  6. Step 6: Final answer
    x = 12,091.08

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Why These Related Problems?

These problems maintain the same ratio (2.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.