Home / 136,651-299,628

Finding the Third Proportional to 136,651 and 299,628

Calculator

Solution

The third proportional to 136,651 and 299,628 is: 656,979.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,651 : 299,628 = 299,628 : x
  2. Step 2: Convert to fraction form
    136,651/299,628 = 299,628/x
  3. Step 3: Cross multiply
    136,651x = 299,628 × 299,628
  4. Step 4: Simplify right side
    136,651x = 89,776,938,384
  5. Step 5: Solve for x
    x = 89,776,938,384/136,651
  6. Step 6: Final answer
    x = 656,979.74

Related Problems

Find third proportional to 68,325.50 and 149,814
Half scale
Find third proportional to 273,302 and 599,256
Double scale
Find third proportional to 136,653 and 299,632
Similar ratio
Find third proportional to 204,976.50 and 449,442
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.