Home / 320,926-508,605

Finding the Third Proportional to 320,926 and 508,605

Calculator

Solution

The third proportional to 320,926 and 508,605 is: 806,039.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,926 : 508,605 = 508,605 : x
  2. Step 2: Convert to fraction form
    320,926/508,605 = 508,605/x
  3. Step 3: Cross multiply
    320,926x = 508,605 × 508,605
  4. Step 4: Simplify right side
    320,926x = 258,679,046,025
  5. Step 5: Solve for x
    x = 258,679,046,025/320,926
  6. Step 6: Final answer
    x = 806,039.54

Related Problems

Find third proportional to 160,463 and 254,302.50
Half scale
Find third proportional to 641,852 and 1,017,210
Double scale
Find third proportional to 320,928 and 508,608
Similar ratio
Find third proportional to 481,389 and 762,907.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.