Home / 144,624-311,439

Finding the Third Proportional to 144,624 and 311,439

Calculator

Solution

The third proportional to 144,624 and 311,439 is: 670,664.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,624 : 311,439 = 311,439 : x
  2. Step 2: Convert to fraction form
    144,624/311,439 = 311,439/x
  3. Step 3: Cross multiply
    144,624x = 311,439 × 311,439
  4. Step 4: Simplify right side
    144,624x = 96,994,250,721
  5. Step 5: Solve for x
    x = 96,994,250,721/144,624
  6. Step 6: Final answer
    x = 670,664.97

Related Problems

Find third proportional to 72,312 and 155,719.50
Half scale
Find third proportional to 289,248 and 622,878
Double scale
Find third proportional to 144,626 and 311,443
Similar ratio
Find third proportional to 216,936 and 467,158.50
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.