Home / 8,128-15,008

Finding the Third Proportional to 8,128 and 15,008

Calculator

Solution

The third proportional to 8,128 and 15,008 is: 27,711.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,128 : 15,008 = 15,008 : x
  2. Step 2: Convert to fraction form
    8,128/15,008 = 15,008/x
  3. Step 3: Cross multiply
    8,128x = 15,008 × 15,008
  4. Step 4: Simplify right side
    8,128x = 225,240,064
  5. Step 5: Solve for x
    x = 225,240,064/8,128
  6. Step 6: Final answer
    x = 27,711.62

Related Problems

Find third proportional to 4,064 and 7,504
Half scale
Find third proportional to 16,256 and 30,016
Double scale
Find third proportional to 8,130 and 15,012
Similar ratio
Find third proportional to 12,192 and 22,512
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.85) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.