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Finding the Third Proportional to 1,660 and 3,593

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Solution

The third proportional to 1,660 and 3,593 is: 7,776.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,660 : 3,593 = 3,593 : x
  2. Step 2: Convert to fraction form
    1,660/3,593 = 3,593/x
  3. Step 3: Cross multiply
    1,660x = 3,593 × 3,593
  4. Step 4: Simplify right side
    1,660x = 12,909,649
  5. Step 5: Solve for x
    x = 12,909,649/1,660
  6. Step 6: Final answer
    x = 7,776.90

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.