Home / 327.75-505.50

Finding the Third Proportional to 327.75 and 505.50

Calculator

Solution

The third proportional to 327.75 and 505.50 is: 779.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    327.75 : 505.50 = 505.50 : x
  2. Step 2: Convert to fraction form
    327.75/505.50 = 505.50/x
  3. Step 3: Cross multiply
    327.75x = 505.50 × 505.50
  4. Step 4: Simplify right side
    327.75x = 255,530.25
  5. Step 5: Solve for x
    x = 255,530.25/327.75
  6. Step 6: Final answer
    x = 779.65

Related Problems

Find third proportional to 163.88 and 252.75
Half scale
Find third proportional to 655.50 and 1,011
Double scale
Find third proportional to 330 and 509
Similar ratio
Find third proportional to 491.63 and 758.25
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.