Home / 3,982-8,645

Finding the Third Proportional to 3,982 and 8,645

Calculator

Solution

The third proportional to 3,982 and 8,645 is: 18,768.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,982 : 8,645 = 8,645 : x
  2. Step 2: Convert to fraction form
    3,982/8,645 = 8,645/x
  3. Step 3: Cross multiply
    3,982x = 8,645 × 8,645
  4. Step 4: Simplify right side
    3,982x = 74,736,025
  5. Step 5: Solve for x
    x = 74,736,025/3,982
  6. Step 6: Final answer
    x = 18,768.46

Related Problems

Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.