Home / 66,802-155,340

Finding the Third Proportional to 66,802 and 155,340

Calculator

Solution

The third proportional to 66,802 and 155,340 is: 361,224.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,802 : 155,340 = 155,340 : x
  2. Step 2: Convert to fraction form
    66,802/155,340 = 155,340/x
  3. Step 3: Cross multiply
    66,802x = 155,340 × 155,340
  4. Step 4: Simplify right side
    66,802x = 24,130,515,600
  5. Step 5: Solve for x
    x = 24,130,515,600/66,802
  6. Step 6: Final answer
    x = 361,224.45

Related Problems

Find third proportional to 33,401 and 77,670
Half scale
Find third proportional to 133,604 and 310,680
Double scale
Find third proportional to 66,804 and 155,345
Similar ratio
Find third proportional to 100,203 and 233,010
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.