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Finding the Third Proportional to 3,570 and 5,608

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Solution

The third proportional to 3,570 and 5,608 is: 8,809.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,570 : 5,608 = 5,608 : x
  2. Step 2: Convert to fraction form
    3,570/5,608 = 5,608/x
  3. Step 3: Cross multiply
    3,570x = 5,608 × 5,608
  4. Step 4: Simplify right side
    3,570x = 31,449,664
  5. Step 5: Solve for x
    x = 31,449,664/3,570
  6. Step 6: Final answer
    x = 8,809.43

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.