Home / 239-494.50

Finding the Third Proportional to 239 and 494.50

Calculator

Solution

The third proportional to 239 and 494.50 is: 1,023.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    239 : 494.50 = 494.50 : x
  2. Step 2: Convert to fraction form
    239/494.50 = 494.50/x
  3. Step 3: Cross multiply
    239x = 494.50 × 494.50
  4. Step 4: Simplify right side
    239x = 244,530.25
  5. Step 5: Solve for x
    x = 244,530.25/239
  6. Step 6: Final answer
    x = 1,023.14

Related Problems

Find third proportional to 119.50 and 247.25
Half scale
Find third proportional to 478 and 989
Double scale
Find third proportional to 241 and 499
Similar ratio
Find third proportional to 358.50 and 741.75
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.