Home / 15,660-33,240

Finding the Third Proportional to 15,660 and 33,240

Calculator

Solution

The third proportional to 15,660 and 33,240 is: 70,555.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,660 : 33,240 = 33,240 : x
  2. Step 2: Convert to fraction form
    15,660/33,240 = 33,240/x
  3. Step 3: Cross multiply
    15,660x = 33,240 × 33,240
  4. Step 4: Simplify right side
    15,660x = 1,104,897,600
  5. Step 5: Solve for x
    x = 1,104,897,600/15,660
  6. Step 6: Final answer
    x = 70,555.40

Related Problems

Find third proportional to 7,830 and 16,620
Half scale
Find third proportional to 31,320 and 66,480
Double scale
Find third proportional to 15,662 and 33,244
Similar ratio
Find third proportional to 23,490 and 49,860
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.