Home / 156,638-252,210

Finding the Third Proportional to 156,638 and 252,210

Calculator

Solution

The third proportional to 156,638 and 252,210 is: 406,094.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,638 : 252,210 = 252,210 : x
  2. Step 2: Convert to fraction form
    156,638/252,210 = 252,210/x
  3. Step 3: Cross multiply
    156,638x = 252,210 × 252,210
  4. Step 4: Simplify right side
    156,638x = 63,609,884,100
  5. Step 5: Solve for x
    x = 63,609,884,100/156,638
  6. Step 6: Final answer
    x = 406,094.84

Related Problems

Find third proportional to 78,319 and 126,105
Half scale
Find third proportional to 313,276 and 504,420
Double scale
Find third proportional to 156,640 and 252,213
Similar ratio
Find third proportional to 234,957 and 378,315
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.61) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.