Home / 7,891-17,429

Finding the Third Proportional to 7,891 and 17,429

Calculator

Solution

The third proportional to 7,891 and 17,429 is: 38,495.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,891 : 17,429 = 17,429 : x
  2. Step 2: Convert to fraction form
    7,891/17,429 = 17,429/x
  3. Step 3: Cross multiply
    7,891x = 17,429 × 17,429
  4. Step 4: Simplify right side
    7,891x = 303,770,041
  5. Step 5: Solve for x
    x = 303,770,041/7,891
  6. Step 6: Final answer
    x = 38,495.76

Related Problems

Why These Related Problems?

These problems maintain the same ratio (2.21) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.