Home / 313,846-402,969

Finding the Third Proportional to 313,846 and 402,969

Calculator

Solution

The third proportional to 313,846 and 402,969 is: 517,400.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,846 : 402,969 = 402,969 : x
  2. Step 2: Convert to fraction form
    313,846/402,969 = 402,969/x
  3. Step 3: Cross multiply
    313,846x = 402,969 × 402,969
  4. Step 4: Simplify right side
    313,846x = 162,384,014,961
  5. Step 5: Solve for x
    x = 162,384,014,961/313,846
  6. Step 6: Final answer
    x = 517,400.30

Related Problems

Find third proportional to 156,923 and 201,484.50
Half scale
Find third proportional to 627,692 and 805,938
Double scale
Find third proportional to 313,848 and 402,972
Similar ratio
Find third proportional to 470,769 and 604,453.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.28) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.