Home / 431,712-670,176

Finding the Third Proportional to 431,712 and 670,176

Calculator

Solution

The third proportional to 431,712 and 670,176 is: 1,040,359.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,712 : 670,176 = 670,176 : x
  2. Step 2: Convert to fraction form
    431,712/670,176 = 670,176/x
  3. Step 3: Cross multiply
    431,712x = 670,176 × 670,176
  4. Step 4: Simplify right side
    431,712x = 449,135,870,976
  5. Step 5: Solve for x
    x = 449,135,870,976/431,712
  6. Step 6: Final answer
    x = 1,040,359.94

Related Problems

Find third proportional to 215,856 and 335,088
Half scale
Find third proportional to 863,424 and 1,340,352
Double scale
Find third proportional to 431,714 and 670,179
Similar ratio
Find third proportional to 647,568 and 1,005,264
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.