Home / 12,080-18,128

Finding the Third Proportional to 12,080 and 18,128

Calculator

Solution

The third proportional to 12,080 and 18,128 is: 27,204.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,080 : 18,128 = 18,128 : x
  2. Step 2: Convert to fraction form
    12,080/18,128 = 18,128/x
  3. Step 3: Cross multiply
    12,080x = 18,128 × 18,128
  4. Step 4: Simplify right side
    12,080x = 328,624,384
  5. Step 5: Solve for x
    x = 328,624,384/12,080
  6. Step 6: Final answer
    x = 27,204.01

Related Problems

Find third proportional to 6,040 and 9,064
Half scale
Find third proportional to 24,160 and 36,256
Double scale
Find third proportional to 12,082 and 18,131
Similar ratio
Find third proportional to 18,120 and 27,192
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.