Home / 881.50-1,911

Finding the Third Proportional to 881.50 and 1,911

Calculator

Solution

The third proportional to 881.50 and 1,911 is: 4,142.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    881.50 : 1,911 = 1,911 : x
  2. Step 2: Convert to fraction form
    881.50/1,911 = 1,911/x
  3. Step 3: Cross multiply
    881.50x = 1,911 × 1,911
  4. Step 4: Simplify right side
    881.50x = 3,651,921
  5. Step 5: Solve for x
    x = 3,651,921/881.50
  6. Step 6: Final answer
    x = 4,142.85

Related Problems

Find third proportional to 440.75 and 955.50
Half scale
Find third proportional to 1,763 and 3,822
Double scale
Find third proportional to 884 and 1,915
Similar ratio
Find third proportional to 1,322.25 and 2,866.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.