Home / 118,558-210,800

Finding the Third Proportional to 118,558 and 210,800

Calculator

Solution

The third proportional to 118,558 and 210,800 is: 374,809.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,558 : 210,800 = 210,800 : x
  2. Step 2: Convert to fraction form
    118,558/210,800 = 210,800/x
  3. Step 3: Cross multiply
    118,558x = 210,800 × 210,800
  4. Step 4: Simplify right side
    118,558x = 44,436,640,000
  5. Step 5: Solve for x
    x = 44,436,640,000/118,558
  6. Step 6: Final answer
    x = 374,809.29

Related Problems

Find third proportional to 59,279 and 105,400
Half scale
Find third proportional to 237,116 and 421,600
Double scale
Find third proportional to 118,560 and 210,804
Similar ratio
Find third proportional to 177,837 and 316,200
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.78) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.