Home / 131,200-281,512

Finding the Third Proportional to 131,200 and 281,512

Calculator

Solution

The third proportional to 131,200 and 281,512 is: 604,032.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,200 : 281,512 = 281,512 : x
  2. Step 2: Convert to fraction form
    131,200/281,512 = 281,512/x
  3. Step 3: Cross multiply
    131,200x = 281,512 × 281,512
  4. Step 4: Simplify right side
    131,200x = 79,249,006,144
  5. Step 5: Solve for x
    x = 79,249,006,144/131,200
  6. Step 6: Final answer
    x = 604,032.06

Related Problems

Find third proportional to 65,600 and 140,756
Half scale
Find third proportional to 262,400 and 563,024
Double scale
Find third proportional to 131,202 and 281,516
Similar ratio
Find third proportional to 196,800 and 422,268
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.