Home / 268,858-412,686

Finding the Third Proportional to 268,858 and 412,686

Calculator

Solution

The third proportional to 268,858 and 412,686 is: 633,456.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,858 : 412,686 = 412,686 : x
  2. Step 2: Convert to fraction form
    268,858/412,686 = 412,686/x
  3. Step 3: Cross multiply
    268,858x = 412,686 × 412,686
  4. Step 4: Simplify right side
    268,858x = 170,309,734,596
  5. Step 5: Solve for x
    x = 170,309,734,596/268,858
  6. Step 6: Final answer
    x = 633,456.08

Related Problems

Find third proportional to 134,429 and 206,343
Half scale
Find third proportional to 537,716 and 825,372
Double scale
Find third proportional to 268,860 and 412,689
Similar ratio
Find third proportional to 403,287 and 619,029
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.