Home / 133,618-290,036

Finding the Third Proportional to 133,618 and 290,036

Calculator

Solution

The third proportional to 133,618 and 290,036 is: 629,562.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,618 : 290,036 = 290,036 : x
  2. Step 2: Convert to fraction form
    133,618/290,036 = 290,036/x
  3. Step 3: Cross multiply
    133,618x = 290,036 × 290,036
  4. Step 4: Simplify right side
    133,618x = 84,120,881,296
  5. Step 5: Solve for x
    x = 84,120,881,296/133,618
  6. Step 6: Final answer
    x = 629,562.49

Related Problems

Find third proportional to 66,809 and 145,018
Half scale
Find third proportional to 267,236 and 580,072
Double scale
Find third proportional to 133,620 and 290,040
Similar ratio
Find third proportional to 200,427 and 435,054
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.