Home / 42,694-66,977

Finding the Third Proportional to 42,694 and 66,977

Calculator

Solution

The third proportional to 42,694 and 66,977 is: 105,071.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,694 : 66,977 = 66,977 : x
  2. Step 2: Convert to fraction form
    42,694/66,977 = 66,977/x
  3. Step 3: Cross multiply
    42,694x = 66,977 × 66,977
  4. Step 4: Simplify right side
    42,694x = 4,485,918,529
  5. Step 5: Solve for x
    x = 4,485,918,529/42,694
  6. Step 6: Final answer
    x = 105,071.40

Related Problems

Find third proportional to 21,347 and 33,488.50
Half scale
Find third proportional to 85,388 and 133,954
Double scale
Find third proportional to 42,696 and 66,980
Similar ratio
Find third proportional to 64,041 and 100,465.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.