Home / 545.38-843.94

Finding the Third Proportional to 545.38 and 843.94

Calculator

Solution

The third proportional to 545.38 and 843.94 is: 1,305.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    545.38 : 843.94 = 843.94 : x
  2. Step 2: Convert to fraction form
    545.38/843.94 = 843.94/x
  3. Step 3: Cross multiply
    545.38x = 843.94 × 843.94
  4. Step 4: Simplify right side
    545.38x = 712,230.50
  5. Step 5: Solve for x
    x = 712,230.50/545.38
  6. Step 6: Final answer
    x = 1,305.95

Related Problems

Find third proportional to 272.69 and 421.97
Half scale
Find third proportional to 1,090.75 and 1,687.88
Double scale
Find third proportional to 547 and 847
Similar ratio
Find third proportional to 818.06 and 1,265.91
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.