Home / 6,424-8,392

Finding the Third Proportional to 6,424 and 8,392

Calculator

Solution

The third proportional to 6,424 and 8,392 is: 10,962.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,424 : 8,392 = 8,392 : x
  2. Step 2: Convert to fraction form
    6,424/8,392 = 8,392/x
  3. Step 3: Cross multiply
    6,424x = 8,392 × 8,392
  4. Step 4: Simplify right side
    6,424x = 70,425,664
  5. Step 5: Solve for x
    x = 70,425,664/6,424
  6. Step 6: Final answer
    x = 10,962.90

Related Problems

Find third proportional to 3,212 and 4,196
Half scale
Find third proportional to 12,848 and 16,784
Double scale
Find third proportional to 6,426 and 8,395
Similar ratio
Find third proportional to 9,636 and 12,588
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.31) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.