Home / 144,610-311,424

Finding the Third Proportional to 144,610 and 311,424

Calculator

Solution

The third proportional to 144,610 and 311,424 is: 670,665.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,610 : 311,424 = 311,424 : x
  2. Step 2: Convert to fraction form
    144,610/311,424 = 311,424/x
  3. Step 3: Cross multiply
    144,610x = 311,424 × 311,424
  4. Step 4: Simplify right side
    144,610x = 96,984,907,776
  5. Step 5: Solve for x
    x = 96,984,907,776/144,610
  6. Step 6: Final answer
    x = 670,665.29

Related Problems

Find third proportional to 72,305 and 155,712
Half scale
Find third proportional to 289,220 and 622,848
Double scale
Find third proportional to 144,612 and 311,428
Similar ratio
Find third proportional to 216,915 and 467,136
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.