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Finding the Third Proportional to 2,025 and 3,209

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Solution

The third proportional to 2,025 and 3,209 is: 5,085.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,025 : 3,209 = 3,209 : x
  2. Step 2: Convert to fraction form
    2,025/3,209 = 3,209/x
  3. Step 3: Cross multiply
    2,025x = 3,209 × 3,209
  4. Step 4: Simplify right side
    2,025x = 10,297,681
  5. Step 5: Solve for x
    x = 10,297,681/2,025
  6. Step 6: Final answer
    x = 5,085.27

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Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.