Home / 7,446-12,399

Finding the Third Proportional to 7,446 and 12,399

Calculator

Solution

The third proportional to 7,446 and 12,399 is: 20,646.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,446 : 12,399 = 12,399 : x
  2. Step 2: Convert to fraction form
    7,446/12,399 = 12,399/x
  3. Step 3: Cross multiply
    7,446x = 12,399 × 12,399
  4. Step 4: Simplify right side
    7,446x = 153,735,201
  5. Step 5: Solve for x
    x = 153,735,201/7,446
  6. Step 6: Final answer
    x = 20,646.68

Related Problems

Find third proportional to 3,723 and 6,199.50
Half scale
Find third proportional to 14,892 and 24,798
Double scale
Find third proportional to 7,448 and 12,402
Similar ratio
Find third proportional to 11,169 and 18,598.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.67) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.