Home / 200,344-280,104

Finding the Third Proportional to 200,344 and 280,104

Calculator

Solution

The third proportional to 200,344 and 280,104 is: 391,617.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,344 : 280,104 = 280,104 : x
  2. Step 2: Convert to fraction form
    200,344/280,104 = 280,104/x
  3. Step 3: Cross multiply
    200,344x = 280,104 × 280,104
  4. Step 4: Simplify right side
    200,344x = 78,458,250,816
  5. Step 5: Solve for x
    x = 78,458,250,816/200,344
  6. Step 6: Final answer
    x = 391,617.67

Related Problems

Find third proportional to 100,172 and 140,052
Half scale
Find third proportional to 400,688 and 560,208
Double scale
Find third proportional to 200,346 and 280,107
Similar ratio
Find third proportional to 300,516 and 420,156
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.