Home / 388-767

Finding the Third Proportional to 388 and 767

Calculator

Solution

The third proportional to 388 and 767 is: 1,516.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    388 : 767 = 767 : x
  2. Step 2: Convert to fraction form
    388/767 = 767/x
  3. Step 3: Cross multiply
    388x = 767 × 767
  4. Step 4: Simplify right side
    388x = 588,289
  5. Step 5: Solve for x
    x = 588,289/388
  6. Step 6: Final answer
    x = 1,516.21

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.98) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.