Home / 78,600-120,294

Finding the Third Proportional to 78,600 and 120,294

Calculator

Solution

The third proportional to 78,600 and 120,294 is: 184,104.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,600 : 120,294 = 120,294 : x
  2. Step 2: Convert to fraction form
    78,600/120,294 = 120,294/x
  3. Step 3: Cross multiply
    78,600x = 120,294 × 120,294
  4. Step 4: Simplify right side
    78,600x = 14,470,646,436
  5. Step 5: Solve for x
    x = 14,470,646,436/78,600
  6. Step 6: Final answer
    x = 184,104.92

Related Problems

Find third proportional to 39,300 and 60,147
Half scale
Find third proportional to 157,200 and 240,588
Double scale
Find third proportional to 78,602 and 120,297
Similar ratio
Find third proportional to 117,900 and 180,441
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.