Home / 73,909-156,640

Finding the Third Proportional to 73,909 and 156,640

Calculator

Solution

The third proportional to 73,909 and 156,640 is: 331,977.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,909 : 156,640 = 156,640 : x
  2. Step 2: Convert to fraction form
    73,909/156,640 = 156,640/x
  3. Step 3: Cross multiply
    73,909x = 156,640 × 156,640
  4. Step 4: Simplify right side
    73,909x = 24,536,089,600
  5. Step 5: Solve for x
    x = 24,536,089,600/73,909
  6. Step 6: Final answer
    x = 331,977.02

Related Problems

Find third proportional to 36,954.50 and 78,320
Half scale
Find third proportional to 147,818 and 313,280
Double scale
Find third proportional to 73,911 and 156,644
Similar ratio
Find third proportional to 110,863.50 and 234,960
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.