Home / 263.75-439.50

Finding the Third Proportional to 263.75 and 439.50

Calculator

Solution

The third proportional to 263.75 and 439.50 is: 732.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    263.75 : 439.50 = 439.50 : x
  2. Step 2: Convert to fraction form
    263.75/439.50 = 439.50/x
  3. Step 3: Cross multiply
    263.75x = 439.50 × 439.50
  4. Step 4: Simplify right side
    263.75x = 193,160.25
  5. Step 5: Solve for x
    x = 193,160.25/263.75
  6. Step 6: Final answer
    x = 732.36

Related Problems

Find third proportional to 131.88 and 219.75
Half scale
Find third proportional to 527.50 and 879
Double scale
Find third proportional to 266 and 443
Similar ratio
Find third proportional to 395.63 and 659.25
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.67) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.