Home / 320,544-480,864

Finding the Third Proportional to 320,544 and 480,864

Calculator

Solution

The third proportional to 320,544 and 480,864 is: 721,368.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,544 : 480,864 = 480,864 : x
  2. Step 2: Convert to fraction form
    320,544/480,864 = 480,864/x
  3. Step 3: Cross multiply
    320,544x = 480,864 × 480,864
  4. Step 4: Simplify right side
    320,544x = 231,230,186,496
  5. Step 5: Solve for x
    x = 231,230,186,496/320,544
  6. Step 6: Final answer
    x = 721,368.01

Related Problems

Find third proportional to 160,272 and 240,432
Half scale
Find third proportional to 641,088 and 961,728
Double scale
Find third proportional to 320,546 and 480,867
Similar ratio
Find third proportional to 480,816 and 721,296
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.