Home / 3,498-3,619.50

Finding the Third Proportional to 3,498 and 3,619.50

Calculator

Solution

The third proportional to 3,498 and 3,619.50 is: 3,745.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,498 : 3,619.50 = 3,619.50 : x
  2. Step 2: Convert to fraction form
    3,498/3,619.50 = 3,619.50/x
  3. Step 3: Cross multiply
    3,498x = 3,619.50 × 3,619.50
  4. Step 4: Simplify right side
    3,498x = 13,100,780.25
  5. Step 5: Solve for x
    x = 13,100,780.25/3,498
  6. Step 6: Final answer
    x = 3,745.22

Related Problems

Find third proportional to 1,749 and 1,809.75
Half scale
Find third proportional to 6,996 and 7,239
Double scale
Find third proportional to 3,500 and 3,622
Similar ratio
Find third proportional to 5,247 and 5,429.25
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.03) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.