Home / 8,960-15,984

Finding the Third Proportional to 8,960 and 15,984

Calculator

Solution

The third proportional to 8,960 and 15,984 is: 28,514.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,960 : 15,984 = 15,984 : x
  2. Step 2: Convert to fraction form
    8,960/15,984 = 15,984/x
  3. Step 3: Cross multiply
    8,960x = 15,984 × 15,984
  4. Step 4: Simplify right side
    8,960x = 255,488,256
  5. Step 5: Solve for x
    x = 255,488,256/8,960
  6. Step 6: Final answer
    x = 28,514.31

Related Problems

Find third proportional to 4,480 and 7,992
Half scale
Find third proportional to 17,920 and 31,968
Double scale
Find third proportional to 8,962 and 15,988
Similar ratio
Find third proportional to 13,440 and 23,976
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.78) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.