Home / 13,616-19,830

Finding the Third Proportional to 13,616 and 19,830

Calculator

Solution

The third proportional to 13,616 and 19,830 is: 28,879.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,616 : 19,830 = 19,830 : x
  2. Step 2: Convert to fraction form
    13,616/19,830 = 19,830/x
  3. Step 3: Cross multiply
    13,616x = 19,830 × 19,830
  4. Step 4: Simplify right side
    13,616x = 393,228,900
  5. Step 5: Solve for x
    x = 393,228,900/13,616
  6. Step 6: Final answer
    x = 28,879.91

Related Problems

Find third proportional to 6,808 and 9,915
Half scale
Find third proportional to 27,232 and 39,660
Double scale
Find third proportional to 13,618 and 19,833
Similar ratio
Find third proportional to 20,424 and 29,745
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.