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Finding the Third Proportional to 70,584.75 and 155,163

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Solution

The third proportional to 70,584.75 and 155,163 is: 341,087.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,584.75 : 155,163 = 155,163 : x
  2. Step 2: Convert to fraction form
    70,584.75/155,163 = 155,163/x
  3. Step 3: Cross multiply
    70,584.75x = 155,163 × 155,163
  4. Step 4: Simplify right side
    70,584.75x = 24,075,556,569
  5. Step 5: Solve for x
    x = 24,075,556,569/70,584.75
  6. Step 6: Final answer
    x = 341,087.23

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.