Home / 115,206-172,881

Finding the Third Proportional to 115,206 and 172,881

Calculator

Solution

The third proportional to 115,206 and 172,881 is: 259,429.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,206 : 172,881 = 172,881 : x
  2. Step 2: Convert to fraction form
    115,206/172,881 = 172,881/x
  3. Step 3: Cross multiply
    115,206x = 172,881 × 172,881
  4. Step 4: Simplify right side
    115,206x = 29,887,840,161
  5. Step 5: Solve for x
    x = 29,887,840,161/115,206
  6. Step 6: Final answer
    x = 259,429.54

Related Problems

Find third proportional to 57,603 and 86,440.50
Half scale
Find third proportional to 230,412 and 345,762
Double scale
Find third proportional to 115,208 and 172,884
Similar ratio
Find third proportional to 172,809 and 259,321.50
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.