Home / 66,354-140,484

Finding the Third Proportional to 66,354 and 140,484

Calculator

Solution

The third proportional to 66,354 and 140,484 is: 297,431.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,354 : 140,484 = 140,484 : x
  2. Step 2: Convert to fraction form
    66,354/140,484 = 140,484/x
  3. Step 3: Cross multiply
    66,354x = 140,484 × 140,484
  4. Step 4: Simplify right side
    66,354x = 19,735,754,256
  5. Step 5: Solve for x
    x = 19,735,754,256/66,354
  6. Step 6: Final answer
    x = 297,431.27

Related Problems

Find third proportional to 33,177 and 70,242
Half scale
Find third proportional to 132,708 and 280,968
Double scale
Find third proportional to 66,356 and 140,488
Similar ratio
Find third proportional to 99,531 and 210,726
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.