Home / 69,858-107,039

Finding the Third Proportional to 69,858 and 107,039

Calculator

Solution

The third proportional to 69,858 and 107,039 is: 164,009.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,858 : 107,039 = 107,039 : x
  2. Step 2: Convert to fraction form
    69,858/107,039 = 107,039/x
  3. Step 3: Cross multiply
    69,858x = 107,039 × 107,039
  4. Step 4: Simplify right side
    69,858x = 11,457,347,521
  5. Step 5: Solve for x
    x = 11,457,347,521/69,858
  6. Step 6: Final answer
    x = 164,009.10

Related Problems

Find third proportional to 34,929 and 53,519.50
Half scale
Find third proportional to 139,716 and 214,078
Double scale
Find third proportional to 69,860 and 107,042
Similar ratio
Find third proportional to 104,787 and 160,558.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.