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Finding the Third Proportional to 2,150 and 3,681

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Solution

The third proportional to 2,150 and 3,681 is: 6,302.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,150 : 3,681 = 3,681 : x
  2. Step 2: Convert to fraction form
    2,150/3,681 = 3,681/x
  3. Step 3: Cross multiply
    2,150x = 3,681 × 3,681
  4. Step 4: Simplify right side
    2,150x = 13,549,761
  5. Step 5: Solve for x
    x = 13,549,761/2,150
  6. Step 6: Final answer
    x = 6,302.21

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Why These Related Problems?

These problems maintain the same ratio (1.71) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.