Home / 317,928-480,132

Finding the Third Proportional to 317,928 and 480,132

Calculator

Solution

The third proportional to 317,928 and 480,132 is: 725,091.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,928 : 480,132 = 480,132 : x
  2. Step 2: Convert to fraction form
    317,928/480,132 = 480,132/x
  3. Step 3: Cross multiply
    317,928x = 480,132 × 480,132
  4. Step 4: Simplify right side
    317,928x = 230,526,737,424
  5. Step 5: Solve for x
    x = 230,526,737,424/317,928
  6. Step 6: Final answer
    x = 725,091.02

Related Problems

Find third proportional to 158,964 and 240,066
Half scale
Find third proportional to 635,856 and 960,264
Double scale
Find third proportional to 317,930 and 480,135
Similar ratio
Find third proportional to 476,892 and 720,198
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.