Home / 75,086-133,478

Finding the Third Proportional to 75,086 and 133,478

Calculator

Solution

The third proportional to 75,086 and 133,478 is: 237,279.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,086 : 133,478 = 133,478 : x
  2. Step 2: Convert to fraction form
    75,086/133,478 = 133,478/x
  3. Step 3: Cross multiply
    75,086x = 133,478 × 133,478
  4. Step 4: Simplify right side
    75,086x = 17,816,376,484
  5. Step 5: Solve for x
    x = 17,816,376,484/75,086
  6. Step 6: Final answer
    x = 237,279.61

Related Problems

Find third proportional to 37,543 and 66,739
Half scale
Find third proportional to 150,172 and 266,956
Double scale
Find third proportional to 75,088 and 133,482
Similar ratio
Find third proportional to 112,629 and 200,217
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.78) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.