Home / 394,866-577,489

Finding the Third Proportional to 394,866 and 577,489

Calculator

Solution

The third proportional to 394,866 and 577,489 is: 844,573.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,866 : 577,489 = 577,489 : x
  2. Step 2: Convert to fraction form
    394,866/577,489 = 577,489/x
  3. Step 3: Cross multiply
    394,866x = 577,489 × 577,489
  4. Step 4: Simplify right side
    394,866x = 333,493,545,121
  5. Step 5: Solve for x
    x = 333,493,545,121/394,866
  6. Step 6: Final answer
    x = 844,573.97

Related Problems

Find third proportional to 197,433 and 288,744.50
Half scale
Find third proportional to 789,732 and 1,154,978
Double scale
Find third proportional to 394,868 and 577,492
Similar ratio
Find third proportional to 592,299 and 866,233.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.