Home / 419,457-629,230

Finding the Third Proportional to 419,457 and 629,230

Calculator

Solution

The third proportional to 419,457 and 629,230 is: 943,911.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,457 : 629,230 = 629,230 : x
  2. Step 2: Convert to fraction form
    419,457/629,230 = 629,230/x
  3. Step 3: Cross multiply
    419,457x = 629,230 × 629,230
  4. Step 4: Simplify right side
    419,457x = 395,930,392,900
  5. Step 5: Solve for x
    x = 395,930,392,900/419,457
  6. Step 6: Final answer
    x = 943,911.75

Related Problems

Find third proportional to 209,728.50 and 314,615
Half scale
Find third proportional to 838,914 and 1,258,460
Double scale
Find third proportional to 419,459 and 629,233
Similar ratio
Find third proportional to 629,185.50 and 943,845
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.