Home / 84,156-126,450

Finding the Third Proportional to 84,156 and 126,450

Calculator

Solution

The third proportional to 84,156 and 126,450 is: 189,999.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,156 : 126,450 = 126,450 : x
  2. Step 2: Convert to fraction form
    84,156/126,450 = 126,450/x
  3. Step 3: Cross multiply
    84,156x = 126,450 × 126,450
  4. Step 4: Simplify right side
    84,156x = 15,989,602,500
  5. Step 5: Solve for x
    x = 15,989,602,500/84,156
  6. Step 6: Final answer
    x = 189,999.55

Related Problems

Find third proportional to 42,078 and 63,225
Half scale
Find third proportional to 168,312 and 252,900
Double scale
Find third proportional to 84,158 and 126,453
Similar ratio
Find third proportional to 126,234 and 189,675
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.