Home / 181,836-388,940

Finding the Third Proportional to 181,836 and 388,940

Calculator

Solution

The third proportional to 181,836 and 388,940 is: 831,927.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,836 : 388,940 = 388,940 : x
  2. Step 2: Convert to fraction form
    181,836/388,940 = 388,940/x
  3. Step 3: Cross multiply
    181,836x = 388,940 × 388,940
  4. Step 4: Simplify right side
    181,836x = 151,274,323,600
  5. Step 5: Solve for x
    x = 151,274,323,600/181,836
  6. Step 6: Final answer
    x = 831,927.25

Related Problems

Find third proportional to 90,918 and 194,470
Half scale
Find third proportional to 363,672 and 777,880
Double scale
Find third proportional to 181,838 and 388,944
Similar ratio
Find third proportional to 272,754 and 583,410
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.