Home / 412,980-631,318

Finding the Third Proportional to 412,980 and 631,318

Calculator

Solution

The third proportional to 412,980 and 631,318 is: 965,088.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,980 : 631,318 = 631,318 : x
  2. Step 2: Convert to fraction form
    412,980/631,318 = 631,318/x
  3. Step 3: Cross multiply
    412,980x = 631,318 × 631,318
  4. Step 4: Simplify right side
    412,980x = 398,562,417,124
  5. Step 5: Solve for x
    x = 398,562,417,124/412,980
  6. Step 6: Final answer
    x = 965,088.91

Related Problems

Find third proportional to 206,490 and 315,659
Half scale
Find third proportional to 825,960 and 1,262,636
Double scale
Find third proportional to 412,982 and 631,321
Similar ratio
Find third proportional to 619,470 and 946,977
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.