Home / 70,880-155,520

Finding the Third Proportional to 70,880 and 155,520

Calculator

Solution

The third proportional to 70,880 and 155,520 is: 341,231.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,880 : 155,520 = 155,520 : x
  2. Step 2: Convert to fraction form
    70,880/155,520 = 155,520/x
  3. Step 3: Cross multiply
    70,880x = 155,520 × 155,520
  4. Step 4: Simplify right side
    70,880x = 24,186,470,400
  5. Step 5: Solve for x
    x = 24,186,470,400/70,880
  6. Step 6: Final answer
    x = 341,231.24

Related Problems

Find third proportional to 35,440 and 77,760
Half scale
Find third proportional to 141,760 and 311,040
Double scale
Find third proportional to 70,882 and 155,524
Similar ratio
Find third proportional to 106,320 and 233,280
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.