Home / 7,906-12,340

Finding the Third Proportional to 7,906 and 12,340

Calculator

Solution

The third proportional to 7,906 and 12,340 is: 19,260.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,906 : 12,340 = 12,340 : x
  2. Step 2: Convert to fraction form
    7,906/12,340 = 12,340/x
  3. Step 3: Cross multiply
    7,906x = 12,340 × 12,340
  4. Step 4: Simplify right side
    7,906x = 152,275,600
  5. Step 5: Solve for x
    x = 152,275,600/7,906
  6. Step 6: Final answer
    x = 19,260.76

Related Problems

Find third proportional to 3,953 and 6,170
Half scale
Find third proportional to 15,812 and 24,680
Double scale
Find third proportional to 7,908 and 12,343
Similar ratio
Find third proportional to 11,859 and 18,510
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.