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Finding the Third Proportional to 1,863 and 4,771.50

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Solution

The third proportional to 1,863 and 4,771.50 is: 12,220.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,863 : 4,771.50 = 4,771.50 : x
  2. Step 2: Convert to fraction form
    1,863/4,771.50 = 4,771.50/x
  3. Step 3: Cross multiply
    1,863x = 4,771.50 × 4,771.50
  4. Step 4: Simplify right side
    1,863x = 22,767,212.25
  5. Step 5: Solve for x
    x = 22,767,212.25/1,863
  6. Step 6: Final answer
    x = 12,220.73

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Why These Related Problems?

These problems maintain the same ratio (2.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.