Home / 115,866-155,187

Finding the Third Proportional to 115,866 and 155,187

Calculator

Solution

The third proportional to 115,866 and 155,187 is: 207,852.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,866 : 155,187 = 155,187 : x
  2. Step 2: Convert to fraction form
    115,866/155,187 = 155,187/x
  3. Step 3: Cross multiply
    115,866x = 155,187 × 155,187
  4. Step 4: Simplify right side
    115,866x = 24,083,004,969
  5. Step 5: Solve for x
    x = 24,083,004,969/115,866
  6. Step 6: Final answer
    x = 207,852.22

Related Problems

Find third proportional to 57,933 and 77,593.50
Half scale
Find third proportional to 231,732 and 310,374
Double scale
Find third proportional to 115,868 and 155,190
Similar ratio
Find third proportional to 173,799 and 232,780.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.