Home / 71.30-154.41

Finding the Third Proportional to 71.30 and 154.41

Calculator

Solution

The third proportional to 71.30 and 154.41 is: 334.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    71.30 : 154.41 = 154.41 : x
  2. Step 2: Convert to fraction form
    71.30/154.41 = 154.41/x
  3. Step 3: Cross multiply
    71.30x = 154.41 × 154.41
  4. Step 4: Simplify right side
    71.30x = 23,841.29
  5. Step 5: Solve for x
    x = 23,841.29/71.30
  6. Step 6: Final answer
    x = 334.39

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.