Home / 17,872-26,688

Finding the Third Proportional to 17,872 and 26,688

Calculator

Solution

The third proportional to 17,872 and 26,688 is: 39,852.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,872 : 26,688 = 26,688 : x
  2. Step 2: Convert to fraction form
    17,872/26,688 = 26,688/x
  3. Step 3: Cross multiply
    17,872x = 26,688 × 26,688
  4. Step 4: Simplify right side
    17,872x = 712,249,344
  5. Step 5: Solve for x
    x = 712,249,344/17,872
  6. Step 6: Final answer
    x = 39,852.81

Related Problems

Find third proportional to 8,936 and 13,344
Half scale
Find third proportional to 35,744 and 53,376
Double scale
Find third proportional to 17,874 and 26,691
Similar ratio
Find third proportional to 26,808 and 40,032
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.