Home / 14,078-31,739

Finding the Third Proportional to 14,078 and 31,739

Calculator

Solution

The third proportional to 14,078 and 31,739 is: 71,555.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,078 : 31,739 = 31,739 : x
  2. Step 2: Convert to fraction form
    14,078/31,739 = 31,739/x
  3. Step 3: Cross multiply
    14,078x = 31,739 × 31,739
  4. Step 4: Simplify right side
    14,078x = 1,007,364,121
  5. Step 5: Solve for x
    x = 1,007,364,121/14,078
  6. Step 6: Final answer
    x = 71,555.91

Related Problems

Find third proportional to 7,039 and 15,869.50
Half scale
Find third proportional to 28,156 and 63,478
Double scale
Find third proportional to 14,080 and 31,744
Similar ratio
Find third proportional to 21,117 and 47,608.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.25) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.