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Finding the Third Proportional to 1,660 and 3,414.50

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Solution

The third proportional to 1,660 and 3,414.50 is: 7,023.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,660 : 3,414.50 = 3,414.50 : x
  2. Step 2: Convert to fraction form
    1,660/3,414.50 = 3,414.50/x
  3. Step 3: Cross multiply
    1,660x = 3,414.50 × 3,414.50
  4. Step 4: Simplify right side
    1,660x = 11,658,810.25
  5. Step 5: Solve for x
    x = 11,658,810.25/1,660
  6. Step 6: Final answer
    x = 7,023.38

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Why These Related Problems?

These problems maintain the same ratio (2.06) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.