Home / 17,136-19,728

Finding the Third Proportional to 17,136 and 19,728

Calculator

Solution

The third proportional to 17,136 and 19,728 is: 22,712.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,136 : 19,728 = 19,728 : x
  2. Step 2: Convert to fraction form
    17,136/19,728 = 19,728/x
  3. Step 3: Cross multiply
    17,136x = 19,728 × 19,728
  4. Step 4: Simplify right side
    17,136x = 389,193,984
  5. Step 5: Solve for x
    x = 389,193,984/17,136
  6. Step 6: Final answer
    x = 22,712.07

Related Problems

Find third proportional to 8,568 and 9,864
Half scale
Find third proportional to 34,272 and 39,456
Double scale
Find third proportional to 17,138 and 19,730
Similar ratio
Find third proportional to 25,704 and 29,592
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.