Home / 69,512-149,554

Finding the Third Proportional to 69,512 and 149,554

Calculator

Solution

The third proportional to 69,512 and 149,554 is: 321,763.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,512 : 149,554 = 149,554 : x
  2. Step 2: Convert to fraction form
    69,512/149,554 = 149,554/x
  3. Step 3: Cross multiply
    69,512x = 149,554 × 149,554
  4. Step 4: Simplify right side
    69,512x = 22,366,398,916
  5. Step 5: Solve for x
    x = 22,366,398,916/69,512
  6. Step 6: Final answer
    x = 321,763.13

Related Problems

Find third proportional to 34,756 and 74,777
Half scale
Find third proportional to 139,024 and 299,108
Double scale
Find third proportional to 69,514 and 149,558
Similar ratio
Find third proportional to 104,268 and 224,331
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.