Home / 68,724-100,170

Finding the Third Proportional to 68,724 and 100,170

Calculator

Solution

The third proportional to 68,724 and 100,170 is: 146,004.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,724 : 100,170 = 100,170 : x
  2. Step 2: Convert to fraction form
    68,724/100,170 = 100,170/x
  3. Step 3: Cross multiply
    68,724x = 100,170 × 100,170
  4. Step 4: Simplify right side
    68,724x = 10,034,028,900
  5. Step 5: Solve for x
    x = 10,034,028,900/68,724
  6. Step 6: Final answer
    x = 146,004.73

Related Problems

Find third proportional to 34,362 and 50,085
Half scale
Find third proportional to 137,448 and 200,340
Double scale
Find third proportional to 68,726 and 100,173
Similar ratio
Find third proportional to 103,086 and 150,255
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.