Home / 65,538-140,418

Finding the Third Proportional to 65,538 and 140,418

Calculator

Solution

The third proportional to 65,538 and 140,418 is: 300,851.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,538 : 140,418 = 140,418 : x
  2. Step 2: Convert to fraction form
    65,538/140,418 = 140,418/x
  3. Step 3: Cross multiply
    65,538x = 140,418 × 140,418
  4. Step 4: Simplify right side
    65,538x = 19,717,214,724
  5. Step 5: Solve for x
    x = 19,717,214,724/65,538
  6. Step 6: Final answer
    x = 300,851.64

Related Problems

Find third proportional to 32,769 and 70,209
Half scale
Find third proportional to 131,076 and 280,836
Double scale
Find third proportional to 65,540 and 140,422
Similar ratio
Find third proportional to 98,307 and 210,627
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.