Home / 403,728-626,912

Finding the Third Proportional to 403,728 and 626,912

Calculator

Solution

The third proportional to 403,728 and 626,912 is: 973,473.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,728 : 626,912 = 626,912 : x
  2. Step 2: Convert to fraction form
    403,728/626,912 = 626,912/x
  3. Step 3: Cross multiply
    403,728x = 626,912 × 626,912
  4. Step 4: Simplify right side
    403,728x = 393,018,655,744
  5. Step 5: Solve for x
    x = 393,018,655,744/403,728
  6. Step 6: Final answer
    x = 973,473.86

Related Problems

Find third proportional to 201,864 and 313,456
Half scale
Find third proportional to 807,456 and 1,253,824
Double scale
Find third proportional to 403,730 and 626,915
Similar ratio
Find third proportional to 605,592 and 940,368
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.