Home / 877-1,912

Finding the Third Proportional to 877 and 1,912

Calculator

Solution

The third proportional to 877 and 1,912 is: 4,168.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    877 : 1,912 = 1,912 : x
  2. Step 2: Convert to fraction form
    877/1,912 = 1,912/x
  3. Step 3: Cross multiply
    877x = 1,912 × 1,912
  4. Step 4: Simplify right side
    877x = 3,655,744
  5. Step 5: Solve for x
    x = 3,655,744/877
  6. Step 6: Final answer
    x = 4,168.47

Related Problems

Find third proportional to 438.50 and 956
Half scale
Find third proportional to 1,754 and 3,824
Double scale
Find third proportional to 879 and 1,916
Similar ratio
Find third proportional to 1,315.50 and 2,868
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.