Home / 11,172-17,220

Finding the Third Proportional to 11,172 and 17,220

Calculator

Solution

The third proportional to 11,172 and 17,220 is: 26,542.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,172 : 17,220 = 17,220 : x
  2. Step 2: Convert to fraction form
    11,172/17,220 = 17,220/x
  3. Step 3: Cross multiply
    11,172x = 17,220 × 17,220
  4. Step 4: Simplify right side
    11,172x = 296,528,400
  5. Step 5: Solve for x
    x = 296,528,400/11,172
  6. Step 6: Final answer
    x = 26,542.11

Related Problems

Find third proportional to 5,586 and 8,610
Half scale
Find third proportional to 22,344 and 34,440
Double scale
Find third proportional to 11,174 and 17,223
Similar ratio
Find third proportional to 16,758 and 25,830
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.