Home / 316,636-672,134

Finding the Third Proportional to 316,636 and 672,134

Calculator

Solution

The third proportional to 316,636 and 672,134 is: 1,426,761.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,636 : 672,134 = 672,134 : x
  2. Step 2: Convert to fraction form
    316,636/672,134 = 672,134/x
  3. Step 3: Cross multiply
    316,636x = 672,134 × 672,134
  4. Step 4: Simplify right side
    316,636x = 451,764,113,956
  5. Step 5: Solve for x
    x = 451,764,113,956/316,636
  6. Step 6: Final answer
    x = 1,426,761.69

Related Problems

Find third proportional to 158,318 and 336,067
Half scale
Find third proportional to 633,272 and 1,344,268
Double scale
Find third proportional to 316,638 and 672,138
Similar ratio
Find third proportional to 474,954 and 1,008,201
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.