Home / 1,679.50-3,611

Finding the Third Proportional to 1,679.50 and 3,611

Calculator

Solution

The third proportional to 1,679.50 and 3,611 is: 7,763.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,679.50 : 3,611 = 3,611 : x
  2. Step 2: Convert to fraction form
    1,679.50/3,611 = 3,611/x
  3. Step 3: Cross multiply
    1,679.50x = 3,611 × 3,611
  4. Step 4: Simplify right side
    1,679.50x = 13,039,321
  5. Step 5: Solve for x
    x = 13,039,321/1,679.50
  6. Step 6: Final answer
    x = 7,763.81

Related Problems

Find third proportional to 839.75 and 1,805.50
Half scale
Find third proportional to 3,359 and 7,222
Double scale
Find third proportional to 1,682 and 3,615
Similar ratio
Find third proportional to 2,519.25 and 5,416.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.