Home / 20,755-31,148

Finding the Third Proportional to 20,755 and 31,148

Calculator

Solution

The third proportional to 20,755 and 31,148 is: 46,745.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,755 : 31,148 = 31,148 : x
  2. Step 2: Convert to fraction form
    20,755/31,148 = 31,148/x
  3. Step 3: Cross multiply
    20,755x = 31,148 × 31,148
  4. Step 4: Simplify right side
    20,755x = 970,197,904
  5. Step 5: Solve for x
    x = 970,197,904/20,755
  6. Step 6: Final answer
    x = 46,745.26

Related Problems

Find third proportional to 10,377.50 and 15,574
Half scale
Find third proportional to 41,510 and 62,296
Double scale
Find third proportional to 20,757 and 31,151
Similar ratio
Find third proportional to 31,132.50 and 46,722
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.