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Finding the Third Proportional to 5,781.75 and 10,611.75

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Solution

The third proportional to 5,781.75 and 10,611.75 is: 19,476.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,781.75 : 10,611.75 = 10,611.75 : x
  2. Step 2: Convert to fraction form
    5,781.75/10,611.75 = 10,611.75/x
  3. Step 3: Cross multiply
    5,781.75x = 10,611.75 × 10,611.75
  4. Step 4: Simplify right side
    5,781.75x = 112,609,238.06
  5. Step 5: Solve for x
    x = 112,609,238.06/5,781.75
  6. Step 6: Final answer
    x = 19,476.67

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Why These Related Problems?

These problems maintain the same ratio (1.84) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.