Home / 7,958-12,190

Finding the Third Proportional to 7,958 and 12,190

Calculator

Solution

The third proportional to 7,958 and 12,190 is: 18,672.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,958 : 12,190 = 12,190 : x
  2. Step 2: Convert to fraction form
    7,958/12,190 = 12,190/x
  3. Step 3: Cross multiply
    7,958x = 12,190 × 12,190
  4. Step 4: Simplify right side
    7,958x = 148,596,100
  5. Step 5: Solve for x
    x = 148,596,100/7,958
  6. Step 6: Final answer
    x = 18,672.54

Related Problems

Find third proportional to 3,979 and 6,095
Half scale
Find third proportional to 15,916 and 24,380
Double scale
Find third proportional to 7,960 and 12,193
Similar ratio
Find third proportional to 11,937 and 18,285
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.