Home / 270,948-421,932

Finding the Third Proportional to 270,948 and 421,932

Calculator

Solution

The third proportional to 270,948 and 421,932 is: 657,050.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,948 : 421,932 = 421,932 : x
  2. Step 2: Convert to fraction form
    270,948/421,932 = 421,932/x
  3. Step 3: Cross multiply
    270,948x = 421,932 × 421,932
  4. Step 4: Simplify right side
    270,948x = 178,026,612,624
  5. Step 5: Solve for x
    x = 178,026,612,624/270,948
  6. Step 6: Final answer
    x = 657,050.85

Related Problems

Find third proportional to 135,474 and 210,966
Half scale
Find third proportional to 541,896 and 843,864
Double scale
Find third proportional to 270,950 and 421,935
Similar ratio
Find third proportional to 406,422 and 632,898
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.