Home / 85,910-126,288

Finding the Third Proportional to 85,910 and 126,288

Calculator

Solution

The third proportional to 85,910 and 126,288 is: 185,643.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,910 : 126,288 = 126,288 : x
  2. Step 2: Convert to fraction form
    85,910/126,288 = 126,288/x
  3. Step 3: Cross multiply
    85,910x = 126,288 × 126,288
  4. Step 4: Simplify right side
    85,910x = 15,948,658,944
  5. Step 5: Solve for x
    x = 15,948,658,944/85,910
  6. Step 6: Final answer
    x = 185,643.80

Related Problems

Find third proportional to 42,955 and 63,144
Half scale
Find third proportional to 171,820 and 252,576
Double scale
Find third proportional to 85,912 and 126,291
Similar ratio
Find third proportional to 128,865 and 189,432
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.