Home / 300,960-641,952

Finding the Third Proportional to 300,960 and 641,952

Calculator

Solution

The third proportional to 300,960 and 641,952 is: 1,369,292.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,960 : 641,952 = 641,952 : x
  2. Step 2: Convert to fraction form
    300,960/641,952 = 641,952/x
  3. Step 3: Cross multiply
    300,960x = 641,952 × 641,952
  4. Step 4: Simplify right side
    300,960x = 412,102,370,304
  5. Step 5: Solve for x
    x = 412,102,370,304/300,960
  6. Step 6: Final answer
    x = 1,369,292.83

Related Problems

Find third proportional to 150,480 and 320,976
Half scale
Find third proportional to 601,920 and 1,283,904
Double scale
Find third proportional to 300,962 and 641,956
Similar ratio
Find third proportional to 451,440 and 962,928
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.