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Finding the Third Proportional to 722.36 and 1,584.25

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Solution

The third proportional to 722.36 and 1,584.25 is: 3,474.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    722.36 : 1,584.25 = 1,584.25 : x
  2. Step 2: Convert to fraction form
    722.36/1,584.25 = 1,584.25/x
  3. Step 3: Cross multiply
    722.36x = 1,584.25 × 1,584.25
  4. Step 4: Simplify right side
    722.36x = 2,509,835.69
  5. Step 5: Solve for x
    x = 2,509,835.69/722.36
  6. Step 6: Final answer
    x = 3,474.52

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.