Home / 40.50-90.47

Finding the Third Proportional to 40.50 and 90.47

Calculator

Solution

The third proportional to 40.50 and 90.47 is: 202.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    40.50 : 90.47 = 90.47 : x
  2. Step 2: Convert to fraction form
    40.50/90.47 = 90.47/x
  3. Step 3: Cross multiply
    40.50x = 90.47 × 90.47
  4. Step 4: Simplify right side
    40.50x = 8,184.59
  5. Step 5: Solve for x
    x = 8,184.59/40.50
  6. Step 6: Final answer
    x = 202.09

Related Problems

Why These Related Problems?

These problems maintain the same ratio (2.23) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.