Home / 42.25-101.50

Finding the Third Proportional to 42.25 and 101.50

Calculator

Solution

The third proportional to 42.25 and 101.50 is: 243.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    42.25 : 101.50 = 101.50 : x
  2. Step 2: Convert to fraction form
    42.25/101.50 = 101.50/x
  3. Step 3: Cross multiply
    42.25x = 101.50 × 101.50
  4. Step 4: Simplify right side
    42.25x = 10,302.25
  5. Step 5: Solve for x
    x = 10,302.25/42.25
  6. Step 6: Final answer
    x = 243.84

Related Problems

Why These Related Problems?

These problems maintain the same ratio (2.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.