Home / 128,496-303,745

Finding the Third Proportional to 128,496 and 303,745

Calculator

Solution

The third proportional to 128,496 and 303,745 is: 718,006.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,496 : 303,745 = 303,745 : x
  2. Step 2: Convert to fraction form
    128,496/303,745 = 303,745/x
  3. Step 3: Cross multiply
    128,496x = 303,745 × 303,745
  4. Step 4: Simplify right side
    128,496x = 92,261,025,025
  5. Step 5: Solve for x
    x = 92,261,025,025/128,496
  6. Step 6: Final answer
    x = 718,006.98

Related Problems

Find third proportional to 64,248 and 151,872.50
Half scale
Find third proportional to 256,992 and 607,490
Double scale
Find third proportional to 128,498 and 303,750
Similar ratio
Find third proportional to 192,744 and 455,617.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.