Home / 20,720-26,592

Finding the Third Proportional to 20,720 and 26,592

Calculator

Solution

The third proportional to 20,720 and 26,592 is: 34,128.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,720 : 26,592 = 26,592 : x
  2. Step 2: Convert to fraction form
    20,720/26,592 = 26,592/x
  3. Step 3: Cross multiply
    20,720x = 26,592 × 26,592
  4. Step 4: Simplify right side
    20,720x = 707,134,464
  5. Step 5: Solve for x
    x = 707,134,464/20,720
  6. Step 6: Final answer
    x = 34,128.11

Related Problems

Find third proportional to 10,360 and 13,296
Half scale
Find third proportional to 41,440 and 53,184
Double scale
Find third proportional to 20,722 and 26,595
Similar ratio
Find third proportional to 31,080 and 39,888
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.28) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.