Home / 91,190-136,420

Finding the Third Proportional to 91,190 and 136,420

Calculator

Solution

The third proportional to 91,190 and 136,420 is: 204,083.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,190 : 136,420 = 136,420 : x
  2. Step 2: Convert to fraction form
    91,190/136,420 = 136,420/x
  3. Step 3: Cross multiply
    91,190x = 136,420 × 136,420
  4. Step 4: Simplify right side
    91,190x = 18,610,416,400
  5. Step 5: Solve for x
    x = 18,610,416,400/91,190
  6. Step 6: Final answer
    x = 204,083.96

Related Problems

Find third proportional to 45,595 and 68,210
Half scale
Find third proportional to 182,380 and 272,840
Double scale
Find third proportional to 91,192 and 136,423
Similar ratio
Find third proportional to 136,785 and 204,630
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.