Home / 202,172-313,917

Finding the Third Proportional to 202,172 and 313,917

Calculator

Solution

The third proportional to 202,172 and 313,917 is: 487,425.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,172 : 313,917 = 313,917 : x
  2. Step 2: Convert to fraction form
    202,172/313,917 = 313,917/x
  3. Step 3: Cross multiply
    202,172x = 313,917 × 313,917
  4. Step 4: Simplify right side
    202,172x = 98,543,882,889
  5. Step 5: Solve for x
    x = 98,543,882,889/202,172
  6. Step 6: Final answer
    x = 487,425.97

Related Problems

Find third proportional to 101,086 and 156,958.50
Half scale
Find third proportional to 404,344 and 627,834
Double scale
Find third proportional to 202,174 and 313,920
Similar ratio
Find third proportional to 303,258 and 470,875.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.