Home / 51,972-122,619

Finding the Third Proportional to 51,972 and 122,619

Calculator

Solution

The third proportional to 51,972 and 122,619 is: 289,298.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,972 : 122,619 = 122,619 : x
  2. Step 2: Convert to fraction form
    51,972/122,619 = 122,619/x
  3. Step 3: Cross multiply
    51,972x = 122,619 × 122,619
  4. Step 4: Simplify right side
    51,972x = 15,035,419,161
  5. Step 5: Solve for x
    x = 15,035,419,161/51,972
  6. Step 6: Final answer
    x = 289,298.45

Related Problems

Find third proportional to 25,986 and 61,309.50
Half scale
Find third proportional to 103,944 and 245,238
Double scale
Find third proportional to 51,974 and 122,624
Similar ratio
Find third proportional to 77,958 and 183,928.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.