Home / 8,739-13,133

Finding the Third Proportional to 8,739 and 13,133

Calculator

Solution

The third proportional to 8,739 and 13,133 is: 19,736.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,739 : 13,133 = 13,133 : x
  2. Step 2: Convert to fraction form
    8,739/13,133 = 13,133/x
  3. Step 3: Cross multiply
    8,739x = 13,133 × 13,133
  4. Step 4: Simplify right side
    8,739x = 172,475,689
  5. Step 5: Solve for x
    x = 172,475,689/8,739
  6. Step 6: Final answer
    x = 19,736.32

Related Problems

Find third proportional to 4,369.50 and 6,566.50
Half scale
Find third proportional to 17,478 and 26,266
Double scale
Find third proportional to 8,741 and 13,136
Similar ratio
Find third proportional to 13,108.50 and 19,699.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.