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Finding the Third Proportional to 1,619 and 2,501

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Solution

The third proportional to 1,619 and 2,501 is: 3,863.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,619 : 2,501 = 2,501 : x
  2. Step 2: Convert to fraction form
    1,619/2,501 = 2,501/x
  3. Step 3: Cross multiply
    1,619x = 2,501 × 2,501
  4. Step 4: Simplify right side
    1,619x = 6,255,001
  5. Step 5: Solve for x
    x = 6,255,001/1,619
  6. Step 6: Final answer
    x = 3,863.50

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.