Home / 305,982-666,396

Finding the Third Proportional to 305,982 and 666,396

Calculator

Solution

The third proportional to 305,982 and 666,396 is: 1,451,339.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,982 : 666,396 = 666,396 : x
  2. Step 2: Convert to fraction form
    305,982/666,396 = 666,396/x
  3. Step 3: Cross multiply
    305,982x = 666,396 × 666,396
  4. Step 4: Simplify right side
    305,982x = 444,083,628,816
  5. Step 5: Solve for x
    x = 444,083,628,816/305,982
  6. Step 6: Final answer
    x = 1,451,339.06

Related Problems

Find third proportional to 152,991 and 333,198
Half scale
Find third proportional to 611,964 and 1,332,792
Double scale
Find third proportional to 305,984 and 666,400
Similar ratio
Find third proportional to 458,973 and 999,594
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.