Home / 20,148-41,640

Finding the Third Proportional to 20,148 and 41,640

Calculator

Solution

The third proportional to 20,148 and 41,640 is: 86,057.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,148 : 41,640 = 41,640 : x
  2. Step 2: Convert to fraction form
    20,148/41,640 = 41,640/x
  3. Step 3: Cross multiply
    20,148x = 41,640 × 41,640
  4. Step 4: Simplify right side
    20,148x = 1,733,889,600
  5. Step 5: Solve for x
    x = 1,733,889,600/20,148
  6. Step 6: Final answer
    x = 86,057.65

Related Problems

Find third proportional to 10,074 and 20,820
Half scale
Find third proportional to 40,296 and 83,280
Double scale
Find third proportional to 20,150 and 41,644
Similar ratio
Find third proportional to 30,222 and 62,460
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.