Home / 81,948-125,109

Finding the Third Proportional to 81,948 and 125,109

Calculator

Solution

The third proportional to 81,948 and 125,109 is: 191,002.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,948 : 125,109 = 125,109 : x
  2. Step 2: Convert to fraction form
    81,948/125,109 = 125,109/x
  3. Step 3: Cross multiply
    81,948x = 125,109 × 125,109
  4. Step 4: Simplify right side
    81,948x = 15,652,261,881
  5. Step 5: Solve for x
    x = 15,652,261,881/81,948
  6. Step 6: Final answer
    x = 191,002.37

Related Problems

Find third proportional to 40,974 and 62,554.50
Half scale
Find third proportional to 163,896 and 250,218
Double scale
Find third proportional to 81,950 and 125,112
Similar ratio
Find third proportional to 122,922 and 187,663.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.