Home / 12,708-18,354

Finding the Third Proportional to 12,708 and 18,354

Calculator

Solution

The third proportional to 12,708 and 18,354 is: 26,508.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,708 : 18,354 = 18,354 : x
  2. Step 2: Convert to fraction form
    12,708/18,354 = 18,354/x
  3. Step 3: Cross multiply
    12,708x = 18,354 × 18,354
  4. Step 4: Simplify right side
    12,708x = 336,869,316
  5. Step 5: Solve for x
    x = 336,869,316/12,708
  6. Step 6: Final answer
    x = 26,508.44

Related Problems

Find third proportional to 6,354 and 9,177
Half scale
Find third proportional to 25,416 and 36,708
Double scale
Find third proportional to 12,710 and 18,357
Similar ratio
Find third proportional to 19,062 and 27,531
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.44) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.