Home / 158,560-211,380

Finding the Third Proportional to 158,560 and 211,380

Calculator

Solution

The third proportional to 158,560 and 211,380 is: 281,795.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,560 : 211,380 = 211,380 : x
  2. Step 2: Convert to fraction form
    158,560/211,380 = 211,380/x
  3. Step 3: Cross multiply
    158,560x = 211,380 × 211,380
  4. Step 4: Simplify right side
    158,560x = 44,681,504,400
  5. Step 5: Solve for x
    x = 44,681,504,400/158,560
  6. Step 6: Final answer
    x = 281,795.56

Related Problems

Find third proportional to 79,280 and 105,690
Half scale
Find third proportional to 317,120 and 422,760
Double scale
Find third proportional to 158,562 and 211,383
Similar ratio
Find third proportional to 237,840 and 317,070
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.