Home / 3,368-5,115

Finding the Third Proportional to 3,368 and 5,115

Calculator

Solution

The third proportional to 3,368 and 5,115 is: 7,768.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,368 : 5,115 = 5,115 : x
  2. Step 2: Convert to fraction form
    3,368/5,115 = 5,115/x
  3. Step 3: Cross multiply
    3,368x = 5,115 × 5,115
  4. Step 4: Simplify right side
    3,368x = 26,163,225
  5. Step 5: Solve for x
    x = 26,163,225/3,368
  6. Step 6: Final answer
    x = 7,768.18

Related Problems

Find third proportional to 1,684 and 2,557.50
Half scale
Find third proportional to 6,736 and 10,230
Double scale
Find third proportional to 3,370 and 5,118
Similar ratio
Find third proportional to 5,052 and 7,672.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.