Home / 85,864-126,312

Finding the Third Proportional to 85,864 and 126,312

Calculator

Solution

The third proportional to 85,864 and 126,312 is: 185,813.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,864 : 126,312 = 126,312 : x
  2. Step 2: Convert to fraction form
    85,864/126,312 = 126,312/x
  3. Step 3: Cross multiply
    85,864x = 126,312 × 126,312
  4. Step 4: Simplify right side
    85,864x = 15,954,721,344
  5. Step 5: Solve for x
    x = 15,954,721,344/85,864
  6. Step 6: Final answer
    x = 185,813.86

Related Problems

Find third proportional to 42,932 and 63,156
Half scale
Find third proportional to 171,728 and 252,624
Double scale
Find third proportional to 85,866 and 126,315
Similar ratio
Find third proportional to 128,796 and 189,468
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.