Home / 72,486-149,946

Finding the Third Proportional to 72,486 and 149,946

Calculator

Solution

The third proportional to 72,486 and 149,946 is: 310,181.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,486 : 149,946 = 149,946 : x
  2. Step 2: Convert to fraction form
    72,486/149,946 = 149,946/x
  3. Step 3: Cross multiply
    72,486x = 149,946 × 149,946
  4. Step 4: Simplify right side
    72,486x = 22,483,802,916
  5. Step 5: Solve for x
    x = 22,483,802,916/72,486
  6. Step 6: Final answer
    x = 310,181.32

Related Problems

Find third proportional to 36,243 and 74,973
Half scale
Find third proportional to 144,972 and 299,892
Double scale
Find third proportional to 72,488 and 149,950
Similar ratio
Find third proportional to 108,729 and 224,919
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.