Home / 16,208-20,709

Finding the Third Proportional to 16,208 and 20,709

Calculator

Solution

The third proportional to 16,208 and 20,709 is: 26,459.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,208 : 20,709 = 20,709 : x
  2. Step 2: Convert to fraction form
    16,208/20,709 = 20,709/x
  3. Step 3: Cross multiply
    16,208x = 20,709 × 20,709
  4. Step 4: Simplify right side
    16,208x = 428,862,681
  5. Step 5: Solve for x
    x = 428,862,681/16,208
  6. Step 6: Final answer
    x = 26,459.94

Related Problems

Find third proportional to 8,104 and 10,354.50
Half scale
Find third proportional to 32,416 and 41,418
Double scale
Find third proportional to 16,210 and 20,712
Similar ratio
Find third proportional to 24,312 and 31,063.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.28) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.