Home / 7,976-12,176

Finding the Third Proportional to 7,976 and 12,176

Calculator

Solution

The third proportional to 7,976 and 12,176 is: 18,587.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,976 : 12,176 = 12,176 : x
  2. Step 2: Convert to fraction form
    7,976/12,176 = 12,176/x
  3. Step 3: Cross multiply
    7,976x = 12,176 × 12,176
  4. Step 4: Simplify right side
    7,976x = 148,254,976
  5. Step 5: Solve for x
    x = 148,254,976/7,976
  6. Step 6: Final answer
    x = 18,587.63

Related Problems

Find third proportional to 3,988 and 6,088
Half scale
Find third proportional to 15,952 and 24,352
Double scale
Find third proportional to 7,978 and 12,179
Similar ratio
Find third proportional to 11,964 and 18,264
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.