Home / 220,608-310,660

Finding the Third Proportional to 220,608 and 310,660

Calculator

Solution

The third proportional to 220,608 and 310,660 is: 437,471.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,608 : 310,660 = 310,660 : x
  2. Step 2: Convert to fraction form
    220,608/310,660 = 310,660/x
  3. Step 3: Cross multiply
    220,608x = 310,660 × 310,660
  4. Step 4: Simplify right side
    220,608x = 96,509,635,600
  5. Step 5: Solve for x
    x = 96,509,635,600/220,608
  6. Step 6: Final answer
    x = 437,471.15

Related Problems

Find third proportional to 110,304 and 155,330
Half scale
Find third proportional to 441,216 and 621,320
Double scale
Find third proportional to 220,610 and 310,663
Similar ratio
Find third proportional to 330,912 and 465,990
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.