Home / 68,720-100,164

Finding the Third Proportional to 68,720 and 100,164

Calculator

Solution

The third proportional to 68,720 and 100,164 is: 145,995.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,720 : 100,164 = 100,164 : x
  2. Step 2: Convert to fraction form
    68,720/100,164 = 100,164/x
  3. Step 3: Cross multiply
    68,720x = 100,164 × 100,164
  4. Step 4: Simplify right side
    68,720x = 10,032,826,896
  5. Step 5: Solve for x
    x = 10,032,826,896/68,720
  6. Step 6: Final answer
    x = 145,995.73

Related Problems

Find third proportional to 34,360 and 50,082
Half scale
Find third proportional to 137,440 and 200,328
Double scale
Find third proportional to 68,722 and 100,167
Similar ratio
Find third proportional to 103,080 and 150,246
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.