Home / 268,708-406,086

Finding the Third Proportional to 268,708 and 406,086

Calculator

Solution

The third proportional to 268,708 and 406,086 is: 613,699.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,708 : 406,086 = 406,086 : x
  2. Step 2: Convert to fraction form
    268,708/406,086 = 406,086/x
  3. Step 3: Cross multiply
    268,708x = 406,086 × 406,086
  4. Step 4: Simplify right side
    268,708x = 164,905,839,396
  5. Step 5: Solve for x
    x = 164,905,839,396/268,708
  6. Step 6: Final answer
    x = 613,699.03

Related Problems

Find third proportional to 134,354 and 203,043
Half scale
Find third proportional to 537,416 and 812,172
Double scale
Find third proportional to 268,710 and 406,089
Similar ratio
Find third proportional to 403,062 and 609,129
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.