Home / 90,180-192,872

Finding the Third Proportional to 90,180 and 192,872

Calculator

Solution

The third proportional to 90,180 and 192,872 is: 412,503.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,180 : 192,872 = 192,872 : x
  2. Step 2: Convert to fraction form
    90,180/192,872 = 192,872/x
  3. Step 3: Cross multiply
    90,180x = 192,872 × 192,872
  4. Step 4: Simplify right side
    90,180x = 37,199,608,384
  5. Step 5: Solve for x
    x = 37,199,608,384/90,180
  6. Step 6: Final answer
    x = 412,503.97

Related Problems

Find third proportional to 45,090 and 96,436
Half scale
Find third proportional to 180,360 and 385,744
Double scale
Find third proportional to 90,182 and 192,876
Similar ratio
Find third proportional to 135,270 and 289,308
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.