Home / 239.20-506.88

Finding the Third Proportional to 239.20 and 506.88

Calculator

Solution

The third proportional to 239.20 and 506.88 is: 1,074.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    239.20 : 506.88 = 506.88 : x
  2. Step 2: Convert to fraction form
    239.20/506.88 = 506.88/x
  3. Step 3: Cross multiply
    239.20x = 506.88 × 506.88
  4. Step 4: Simplify right side
    239.20x = 256,930.19
  5. Step 5: Solve for x
    x = 256,930.19/239.20
  6. Step 6: Final answer
    x = 1,074.11

Related Problems

Find third proportional to 119.60 and 253.44
Half scale
Find third proportional to 478.41 and 1,013.77
Double scale
Find third proportional to 241 and 511
Similar ratio
Find third proportional to 358.80 and 760.32
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.