Home / 136,320-199,896

Finding the Third Proportional to 136,320 and 199,896

Calculator

Solution

The third proportional to 136,320 and 199,896 is: 293,122.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,320 : 199,896 = 199,896 : x
  2. Step 2: Convert to fraction form
    136,320/199,896 = 199,896/x
  3. Step 3: Cross multiply
    136,320x = 199,896 × 199,896
  4. Step 4: Simplify right side
    136,320x = 39,958,410,816
  5. Step 5: Solve for x
    x = 39,958,410,816/136,320
  6. Step 6: Final answer
    x = 293,122.15

Related Problems

Find third proportional to 68,160 and 99,948
Half scale
Find third proportional to 272,640 and 399,792
Double scale
Find third proportional to 136,322 and 199,899
Similar ratio
Find third proportional to 204,480 and 299,844
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.