Home / 323,574-489,888

Finding the Third Proportional to 323,574 and 489,888

Calculator

Solution

The third proportional to 323,574 and 489,888 is: 741,685.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,574 : 489,888 = 489,888 : x
  2. Step 2: Convert to fraction form
    323,574/489,888 = 489,888/x
  3. Step 3: Cross multiply
    323,574x = 489,888 × 489,888
  4. Step 4: Simplify right side
    323,574x = 239,990,252,544
  5. Step 5: Solve for x
    x = 239,990,252,544/323,574
  6. Step 6: Final answer
    x = 741,685.84

Related Problems

Find third proportional to 161,787 and 244,944
Half scale
Find third proportional to 647,148 and 979,776
Double scale
Find third proportional to 323,576 and 489,891
Similar ratio
Find third proportional to 485,361 and 734,832
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.