Home / 443-513.75

Finding the Third Proportional to 443 and 513.75

Calculator

Solution

The third proportional to 443 and 513.75 is: 595.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    443 : 513.75 = 513.75 : x
  2. Step 2: Convert to fraction form
    443/513.75 = 513.75/x
  3. Step 3: Cross multiply
    443x = 513.75 × 513.75
  4. Step 4: Simplify right side
    443x = 263,939.06
  5. Step 5: Solve for x
    x = 263,939.06/443
  6. Step 6: Final answer
    x = 595.80

Related Problems

Find third proportional to 221.50 and 256.88
Half scale
Find third proportional to 886 and 1,027.50
Double scale
Find third proportional to 445 and 516
Similar ratio
Find third proportional to 664.50 and 770.63
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.