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Finding the Third Proportional to 3,409 and 3,673

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Solution

The third proportional to 3,409 and 3,673 is: 3,957.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,409 : 3,673 = 3,673 : x
  2. Step 2: Convert to fraction form
    3,409/3,673 = 3,673/x
  3. Step 3: Cross multiply
    3,409x = 3,673 × 3,673
  4. Step 4: Simplify right side
    3,409x = 13,490,929
  5. Step 5: Solve for x
    x = 13,490,929/3,409
  6. Step 6: Final answer
    x = 3,957.44

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Why These Related Problems?

These problems maintain the same ratio (1.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.