Home / 321,000-683,472

Finding the Third Proportional to 321,000 and 683,472

Calculator

Solution

The third proportional to 321,000 and 683,472 is: 1,455,246.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,000 : 683,472 = 683,472 : x
  2. Step 2: Convert to fraction form
    321,000/683,472 = 683,472/x
  3. Step 3: Cross multiply
    321,000x = 683,472 × 683,472
  4. Step 4: Simplify right side
    321,000x = 467,133,974,784
  5. Step 5: Solve for x
    x = 467,133,974,784/321,000
  6. Step 6: Final answer
    x = 1,455,246.03

Related Problems

Find third proportional to 160,500 and 341,736
Half scale
Find third proportional to 642,000 and 1,366,944
Double scale
Find third proportional to 321,002 and 683,476
Similar ratio
Find third proportional to 481,500 and 1,025,208
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.