Home / 3,771.50-8,917

Finding the Third Proportional to 3,771.50 and 8,917

Calculator

Solution

The third proportional to 3,771.50 and 8,917 is: 21,082.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,771.50 : 8,917 = 8,917 : x
  2. Step 2: Convert to fraction form
    3,771.50/8,917 = 8,917/x
  3. Step 3: Cross multiply
    3,771.50x = 8,917 × 8,917
  4. Step 4: Simplify right side
    3,771.50x = 79,512,889
  5. Step 5: Solve for x
    x = 79,512,889/3,771.50
  6. Step 6: Final answer
    x = 21,082.56

Related Problems

Find third proportional to 1,885.75 and 4,458.50
Half scale
Find third proportional to 7,543 and 17,834
Double scale
Find third proportional to 3,774 and 8,922
Similar ratio
Find third proportional to 5,657.25 and 13,375.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.