Home / 259,792-400,632

Finding the Third Proportional to 259,792 and 400,632

Calculator

Solution

The third proportional to 259,792 and 400,632 is: 617,825.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,792 : 400,632 = 400,632 : x
  2. Step 2: Convert to fraction form
    259,792/400,632 = 400,632/x
  3. Step 3: Cross multiply
    259,792x = 400,632 × 400,632
  4. Step 4: Simplify right side
    259,792x = 160,505,999,424
  5. Step 5: Solve for x
    x = 160,505,999,424/259,792
  6. Step 6: Final answer
    x = 617,825.03

Related Problems

Find third proportional to 129,896 and 200,316
Half scale
Find third proportional to 519,584 and 801,264
Double scale
Find third proportional to 259,794 and 400,635
Similar ratio
Find third proportional to 389,688 and 600,948
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.