Home / 3,906-8,136

Finding the Third Proportional to 3,906 and 8,136

Calculator

Solution

The third proportional to 3,906 and 8,136 is: 16,946.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,906 : 8,136 = 8,136 : x
  2. Step 2: Convert to fraction form
    3,906/8,136 = 8,136/x
  3. Step 3: Cross multiply
    3,906x = 8,136 × 8,136
  4. Step 4: Simplify right side
    3,906x = 66,194,496
  5. Step 5: Solve for x
    x = 66,194,496/3,906
  6. Step 6: Final answer
    x = 16,946.88

Related Problems

Find third proportional to 1,953 and 4,068
Half scale
Find third proportional to 7,812 and 16,272
Double scale
Find third proportional to 3,908 and 8,140
Similar ratio
Find third proportional to 5,859 and 12,204
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.