Home / 150,638-199,917

Finding the Third Proportional to 150,638 and 199,917

Calculator

Solution

The third proportional to 150,638 and 199,917 is: 265,316.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,638 : 199,917 = 199,917 : x
  2. Step 2: Convert to fraction form
    150,638/199,917 = 199,917/x
  3. Step 3: Cross multiply
    150,638x = 199,917 × 199,917
  4. Step 4: Simplify right side
    150,638x = 39,966,806,889
  5. Step 5: Solve for x
    x = 39,966,806,889/150,638
  6. Step 6: Final answer
    x = 265,316.90

Related Problems

Find third proportional to 75,319 and 99,958.50
Half scale
Find third proportional to 301,276 and 399,834
Double scale
Find third proportional to 150,640 and 199,920
Similar ratio
Find third proportional to 225,957 and 299,875.50
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.