Home / 311,424-481,656

Finding the Third Proportional to 311,424 and 481,656

Calculator

Solution

The third proportional to 311,424 and 481,656 is: 744,940.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,424 : 481,656 = 481,656 : x
  2. Step 2: Convert to fraction form
    311,424/481,656 = 481,656/x
  3. Step 3: Cross multiply
    311,424x = 481,656 × 481,656
  4. Step 4: Simplify right side
    311,424x = 231,992,502,336
  5. Step 5: Solve for x
    x = 231,992,502,336/311,424
  6. Step 6: Final answer
    x = 744,940.99

Related Problems

Find third proportional to 155,712 and 240,828
Half scale
Find third proportional to 622,848 and 963,312
Double scale
Find third proportional to 311,426 and 481,659
Similar ratio
Find third proportional to 467,136 and 722,484
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.