Home / 436.25-512.75

Finding the Third Proportional to 436.25 and 512.75

Calculator

Solution

The third proportional to 436.25 and 512.75 is: 602.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    436.25 : 512.75 = 512.75 : x
  2. Step 2: Convert to fraction form
    436.25/512.75 = 512.75/x
  3. Step 3: Cross multiply
    436.25x = 512.75 × 512.75
  4. Step 4: Simplify right side
    436.25x = 262,912.56
  5. Step 5: Solve for x
    x = 262,912.56/436.25
  6. Step 6: Final answer
    x = 602.66

Related Problems

Find third proportional to 218.13 and 256.38
Half scale
Find third proportional to 872.50 and 1,025.50
Double scale
Find third proportional to 438 and 515
Similar ratio
Find third proportional to 654.38 and 769.13
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.