Home / 298,944-439,668

Finding the Third Proportional to 298,944 and 439,668

Calculator

Solution

The third proportional to 298,944 and 439,668 is: 646,635.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,944 : 439,668 = 439,668 : x
  2. Step 2: Convert to fraction form
    298,944/439,668 = 439,668/x
  3. Step 3: Cross multiply
    298,944x = 439,668 × 439,668
  4. Step 4: Simplify right side
    298,944x = 193,307,950,224
  5. Step 5: Solve for x
    x = 193,307,950,224/298,944
  6. Step 6: Final answer
    x = 646,635.99

Related Problems

Find third proportional to 149,472 and 219,834
Half scale
Find third proportional to 597,888 and 879,336
Double scale
Find third proportional to 298,946 and 439,671
Similar ratio
Find third proportional to 448,416 and 659,502
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.