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Finding the Third Proportional to 4,884.75 and 11,817

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Solution

The third proportional to 4,884.75 and 11,817 is: 28,587.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,884.75 : 11,817 = 11,817 : x
  2. Step 2: Convert to fraction form
    4,884.75/11,817 = 11,817/x
  3. Step 3: Cross multiply
    4,884.75x = 11,817 × 11,817
  4. Step 4: Simplify right side
    4,884.75x = 139,641,489
  5. Step 5: Solve for x
    x = 139,641,489/4,884.75
  6. Step 6: Final answer
    x = 28,587.23

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Why These Related Problems?

These problems maintain the same ratio (2.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.