Home / 328.13-543.38

Finding the Third Proportional to 328.13 and 543.38

Calculator

Solution

The third proportional to 328.13 and 543.38 is: 899.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    328.13 : 543.38 = 543.38 : x
  2. Step 2: Convert to fraction form
    328.13/543.38 = 543.38/x
  3. Step 3: Cross multiply
    328.13x = 543.38 × 543.38
  4. Step 4: Simplify right side
    328.13x = 295,256.39
  5. Step 5: Solve for x
    x = 295,256.39/328.13
  6. Step 6: Final answer
    x = 899.83

Related Problems

Find third proportional to 164.06 and 271.69
Half scale
Find third proportional to 656.25 and 1,086.75
Double scale
Find third proportional to 330 and 547
Similar ratio
Find third proportional to 492.19 and 815.06
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.66) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.