Home / 270,958-421,944

Finding the Third Proportional to 270,958 and 421,944

Calculator

Solution

The third proportional to 270,958 and 421,944 is: 657,063.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,958 : 421,944 = 421,944 : x
  2. Step 2: Convert to fraction form
    270,958/421,944 = 421,944/x
  3. Step 3: Cross multiply
    270,958x = 421,944 × 421,944
  4. Step 4: Simplify right side
    270,958x = 178,036,739,136
  5. Step 5: Solve for x
    x = 178,036,739,136/270,958
  6. Step 6: Final answer
    x = 657,063.97

Related Problems

Find third proportional to 135,479 and 210,972
Half scale
Find third proportional to 541,916 and 843,888
Double scale
Find third proportional to 270,960 and 421,947
Similar ratio
Find third proportional to 406,437 and 632,916
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.