Home / 35,840-74,240

Finding the Third Proportional to 35,840 and 74,240

Calculator

Solution

The third proportional to 35,840 and 74,240 is: 153,782.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,840 : 74,240 = 74,240 : x
  2. Step 2: Convert to fraction form
    35,840/74,240 = 74,240/x
  3. Step 3: Cross multiply
    35,840x = 74,240 × 74,240
  4. Step 4: Simplify right side
    35,840x = 5,511,577,600
  5. Step 5: Solve for x
    x = 5,511,577,600/35,840
  6. Step 6: Final answer
    x = 153,782.86

Related Problems

Find third proportional to 17,920 and 37,120
Half scale
Find third proportional to 71,680 and 148,480
Double scale
Find third proportional to 35,842 and 74,244
Similar ratio
Find third proportional to 53,760 and 111,360
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.