Home / 100,142-155,957

Finding the Third Proportional to 100,142 and 155,957

Calculator

Solution

The third proportional to 100,142 and 155,957 is: 242,880.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,142 : 155,957 = 155,957 : x
  2. Step 2: Convert to fraction form
    100,142/155,957 = 155,957/x
  3. Step 3: Cross multiply
    100,142x = 155,957 × 155,957
  4. Step 4: Simplify right side
    100,142x = 24,322,585,849
  5. Step 5: Solve for x
    x = 24,322,585,849/100,142
  6. Step 6: Final answer
    x = 242,880.97

Related Problems

Find third proportional to 50,071 and 77,978.50
Half scale
Find third proportional to 200,284 and 311,914
Double scale
Find third proportional to 100,144 and 155,960
Similar ratio
Find third proportional to 150,213 and 233,935.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.