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Finding the Third Proportional to 3,087 and 3,726

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Solution

The third proportional to 3,087 and 3,726 is: 4,497.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,087 : 3,726 = 3,726 : x
  2. Step 2: Convert to fraction form
    3,087/3,726 = 3,726/x
  3. Step 3: Cross multiply
    3,087x = 3,726 × 3,726
  4. Step 4: Simplify right side
    3,087x = 13,883,076
  5. Step 5: Solve for x
    x = 13,883,076/3,087
  6. Step 6: Final answer
    x = 4,497.27

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Why These Related Problems?

These problems maintain the same ratio (1.21) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.