Home / 320,783-448,477

Finding the Third Proportional to 320,783 and 448,477

Calculator

Solution

The third proportional to 320,783 and 448,477 is: 627,002.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,783 : 448,477 = 448,477 : x
  2. Step 2: Convert to fraction form
    320,783/448,477 = 448,477/x
  3. Step 3: Cross multiply
    320,783x = 448,477 × 448,477
  4. Step 4: Simplify right side
    320,783x = 201,131,619,529
  5. Step 5: Solve for x
    x = 201,131,619,529/320,783
  6. Step 6: Final answer
    x = 627,002.12

Related Problems

Find third proportional to 160,391.50 and 224,238.50
Half scale
Find third proportional to 641,566 and 896,954
Double scale
Find third proportional to 320,785 and 448,480
Similar ratio
Find third proportional to 481,174.50 and 672,715.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.