Home / 265,872-408,660

Finding the Third Proportional to 265,872 and 408,660

Calculator

Solution

The third proportional to 265,872 and 408,660 is: 628,133.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,872 : 408,660 = 408,660 : x
  2. Step 2: Convert to fraction form
    265,872/408,660 = 408,660/x
  3. Step 3: Cross multiply
    265,872x = 408,660 × 408,660
  4. Step 4: Simplify right side
    265,872x = 167,002,995,600
  5. Step 5: Solve for x
    x = 167,002,995,600/265,872
  6. Step 6: Final answer
    x = 628,133.07

Related Problems

Find third proportional to 132,936 and 204,330
Half scale
Find third proportional to 531,744 and 817,320
Double scale
Find third proportional to 265,874 and 408,663
Similar ratio
Find third proportional to 398,808 and 612,990
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.