Home / 16,708-18,868

Finding the Third Proportional to 16,708 and 18,868

Calculator

Solution

The third proportional to 16,708 and 18,868 is: 21,307.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,708 : 18,868 = 18,868 : x
  2. Step 2: Convert to fraction form
    16,708/18,868 = 18,868/x
  3. Step 3: Cross multiply
    16,708x = 18,868 × 18,868
  4. Step 4: Simplify right side
    16,708x = 356,001,424
  5. Step 5: Solve for x
    x = 356,001,424/16,708
  6. Step 6: Final answer
    x = 21,307.24

Related Problems

Find third proportional to 8,354 and 9,434
Half scale
Find third proportional to 33,416 and 37,736
Double scale
Find third proportional to 16,710 and 18,870
Similar ratio
Find third proportional to 25,062 and 28,302
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.