Home / 321,036-480,506

Finding the Third Proportional to 321,036 and 480,506

Calculator

Solution

The third proportional to 321,036 and 480,506 is: 719,190.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,036 : 480,506 = 480,506 : x
  2. Step 2: Convert to fraction form
    321,036/480,506 = 480,506/x
  3. Step 3: Cross multiply
    321,036x = 480,506 × 480,506
  4. Step 4: Simplify right side
    321,036x = 230,886,016,036
  5. Step 5: Solve for x
    x = 230,886,016,036/321,036
  6. Step 6: Final answer
    x = 719,190.42

Related Problems

Find third proportional to 160,518 and 240,253
Half scale
Find third proportional to 642,072 and 961,012
Double scale
Find third proportional to 321,038 and 480,509
Similar ratio
Find third proportional to 481,554 and 720,759
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.