Home / 153,910-231,310

Finding the Third Proportional to 153,910 and 231,310

Calculator

Solution

The third proportional to 153,910 and 231,310 is: 347,633.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,910 : 231,310 = 231,310 : x
  2. Step 2: Convert to fraction form
    153,910/231,310 = 231,310/x
  3. Step 3: Cross multiply
    153,910x = 231,310 × 231,310
  4. Step 4: Simplify right side
    153,910x = 53,504,316,100
  5. Step 5: Solve for x
    x = 53,504,316,100/153,910
  6. Step 6: Final answer
    x = 347,633.79

Related Problems

Find third proportional to 76,955 and 115,655
Half scale
Find third proportional to 307,820 and 462,620
Double scale
Find third proportional to 153,912 and 231,313
Similar ratio
Find third proportional to 230,865 and 346,965
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.