Home / 7,964-12,158

Finding the Third Proportional to 7,964 and 12,158

Calculator

Solution

The third proportional to 7,964 and 12,158 is: 18,560.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,964 : 12,158 = 12,158 : x
  2. Step 2: Convert to fraction form
    7,964/12,158 = 12,158/x
  3. Step 3: Cross multiply
    7,964x = 12,158 × 12,158
  4. Step 4: Simplify right side
    7,964x = 147,816,964
  5. Step 5: Solve for x
    x = 147,816,964/7,964
  6. Step 6: Final answer
    x = 18,560.64

Related Problems

Find third proportional to 3,982 and 6,079
Half scale
Find third proportional to 15,928 and 24,316
Double scale
Find third proportional to 7,966 and 12,161
Similar ratio
Find third proportional to 11,946 and 18,237
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.