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Finding the Third Proportional to 1,201 and 2,621

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Solution

The third proportional to 1,201 and 2,621 is: 5,719.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,201 : 2,621 = 2,621 : x
  2. Step 2: Convert to fraction form
    1,201/2,621 = 2,621/x
  3. Step 3: Cross multiply
    1,201x = 2,621 × 2,621
  4. Step 4: Simplify right side
    1,201x = 6,869,641
  5. Step 5: Solve for x
    x = 6,869,641/1,201
  6. Step 6: Final answer
    x = 5,719.93

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.