Home / 71,358-155,427

Finding the Third Proportional to 71,358 and 155,427

Calculator

Solution

The third proportional to 71,358 and 155,427 is: 338,540.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,358 : 155,427 = 155,427 : x
  2. Step 2: Convert to fraction form
    71,358/155,427 = 155,427/x
  3. Step 3: Cross multiply
    71,358x = 155,427 × 155,427
  4. Step 4: Simplify right side
    71,358x = 24,157,552,329
  5. Step 5: Solve for x
    x = 24,157,552,329/71,358
  6. Step 6: Final answer
    x = 338,540.21

Related Problems

Find third proportional to 35,679 and 77,713.50
Half scale
Find third proportional to 142,716 and 310,854
Double scale
Find third proportional to 71,360 and 155,431
Similar ratio
Find third proportional to 107,037 and 233,140.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.