Home / 316,844-659,898

Finding the Third Proportional to 316,844 and 659,898

Calculator

Solution

The third proportional to 316,844 and 659,898 is: 1,374,384.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,844 : 659,898 = 659,898 : x
  2. Step 2: Convert to fraction form
    316,844/659,898 = 659,898/x
  3. Step 3: Cross multiply
    316,844x = 659,898 × 659,898
  4. Step 4: Simplify right side
    316,844x = 435,465,370,404
  5. Step 5: Solve for x
    x = 435,465,370,404/316,844
  6. Step 6: Final answer
    x = 1,374,384.15

Related Problems

Find third proportional to 158,422 and 329,949
Half scale
Find third proportional to 633,688 and 1,319,796
Double scale
Find third proportional to 316,846 and 659,902
Similar ratio
Find third proportional to 475,266 and 989,847
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.