Home / 31,917-68,571

Finding the Third Proportional to 31,917 and 68,571

Calculator

Solution

The third proportional to 31,917 and 68,571 is: 147,319.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,917 : 68,571 = 68,571 : x
  2. Step 2: Convert to fraction form
    31,917/68,571 = 68,571/x
  3. Step 3: Cross multiply
    31,917x = 68,571 × 68,571
  4. Step 4: Simplify right side
    31,917x = 4,701,982,041
  5. Step 5: Solve for x
    x = 4,701,982,041/31,917
  6. Step 6: Final answer
    x = 147,319.05

Related Problems

Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.