Home / 3,976-8,560

Finding the Third Proportional to 3,976 and 8,560

Calculator

Solution

The third proportional to 3,976 and 8,560 is: 18,428.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,976 : 8,560 = 8,560 : x
  2. Step 2: Convert to fraction form
    3,976/8,560 = 8,560/x
  3. Step 3: Cross multiply
    3,976x = 8,560 × 8,560
  4. Step 4: Simplify right side
    3,976x = 73,273,600
  5. Step 5: Solve for x
    x = 73,273,600/3,976
  6. Step 6: Final answer
    x = 18,428.97

Related Problems

Find third proportional to 1,988 and 4,280
Half scale
Find third proportional to 7,952 and 17,120
Double scale
Find third proportional to 3,978 and 8,564
Similar ratio
Find third proportional to 5,964 and 12,840
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.