Home / 85,866-126,315

Finding the Third Proportional to 85,866 and 126,315

Calculator

Solution

The third proportional to 85,866 and 126,315 is: 185,818.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,866 : 126,315 = 126,315 : x
  2. Step 2: Convert to fraction form
    85,866/126,315 = 126,315/x
  3. Step 3: Cross multiply
    85,866x = 126,315 × 126,315
  4. Step 4: Simplify right side
    85,866x = 15,955,479,225
  5. Step 5: Solve for x
    x = 15,955,479,225/85,866
  6. Step 6: Final answer
    x = 185,818.36

Related Problems

Find third proportional to 42,933 and 63,157.50
Half scale
Find third proportional to 171,732 and 252,630
Double scale
Find third proportional to 85,868 and 126,318
Similar ratio
Find third proportional to 128,799 and 189,472.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.