Home / 155,836-331,088

Finding the Third Proportional to 155,836 and 331,088

Calculator

Solution

The third proportional to 155,836 and 331,088 is: 703,427.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,836 : 331,088 = 331,088 : x
  2. Step 2: Convert to fraction form
    155,836/331,088 = 331,088/x
  3. Step 3: Cross multiply
    155,836x = 331,088 × 331,088
  4. Step 4: Simplify right side
    155,836x = 109,619,263,744
  5. Step 5: Solve for x
    x = 109,619,263,744/155,836
  6. Step 6: Final answer
    x = 703,427.09

Related Problems

Find third proportional to 77,918 and 165,544
Half scale
Find third proportional to 311,672 and 662,176
Double scale
Find third proportional to 155,838 and 331,092
Similar ratio
Find third proportional to 233,754 and 496,632
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.