Home / 367.80-545.34

Finding the Third Proportional to 367.80 and 545.34

Calculator

Solution

The third proportional to 367.80 and 545.34 is: 808.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    367.80 : 545.34 = 545.34 : x
  2. Step 2: Convert to fraction form
    367.80/545.34 = 545.34/x
  3. Step 3: Cross multiply
    367.80x = 545.34 × 545.34
  4. Step 4: Simplify right side
    367.80x = 297,399.81
  5. Step 5: Solve for x
    x = 297,399.81/367.80
  6. Step 6: Final answer
    x = 808.58

Related Problems

Find third proportional to 183.90 and 272.67
Half scale
Find third proportional to 735.61 and 1,090.69
Double scale
Find third proportional to 370 and 548
Similar ratio
Find third proportional to 551.71 and 818.02
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.