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Finding the Third Proportional to 1,801.69 and 3,817.69

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Solution

The third proportional to 1,801.69 and 3,817.69 is: 8,089.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,801.69 : 3,817.69 = 3,817.69 : x
  2. Step 2: Convert to fraction form
    1,801.69/3,817.69 = 3,817.69/x
  3. Step 3: Cross multiply
    1,801.69x = 3,817.69 × 3,817.69
  4. Step 4: Simplify right side
    1,801.69x = 14,574,737.85
  5. Step 5: Solve for x
    x = 14,574,737.85/1,801.69
  6. Step 6: Final answer
    x = 8,089.49

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.