Home / 75,389-156,980

Finding the Third Proportional to 75,389 and 156,980

Calculator

Solution

The third proportional to 75,389 and 156,980 is: 326,874.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,389 : 156,980 = 156,980 : x
  2. Step 2: Convert to fraction form
    75,389/156,980 = 156,980/x
  3. Step 3: Cross multiply
    75,389x = 156,980 × 156,980
  4. Step 4: Simplify right side
    75,389x = 24,642,720,400
  5. Step 5: Solve for x
    x = 24,642,720,400/75,389
  6. Step 6: Final answer
    x = 326,874.22

Related Problems

Find third proportional to 37,694.50 and 78,490
Half scale
Find third proportional to 150,778 and 313,960
Double scale
Find third proportional to 75,391 and 156,984
Similar ratio
Find third proportional to 113,083.50 and 235,470
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.