Home / 143.50-388

Finding the Third Proportional to 143.50 and 388

Calculator

Solution

The third proportional to 143.50 and 388 is: 1,049.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    143.50 : 388 = 388 : x
  2. Step 2: Convert to fraction form
    143.50/388 = 388/x
  3. Step 3: Cross multiply
    143.50x = 388 × 388
  4. Step 4: Simplify right side
    143.50x = 150,544
  5. Step 5: Solve for x
    x = 150,544/143.50
  6. Step 6: Final answer
    x = 1,049.09

Related Problems

Why These Related Problems?

These problems maintain the same ratio (2.70) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.