Home / 217,800-444,816

Finding the Third Proportional to 217,800 and 444,816

Calculator

Solution

The third proportional to 217,800 and 444,816 is: 908,453.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,800 : 444,816 = 444,816 : x
  2. Step 2: Convert to fraction form
    217,800/444,816 = 444,816/x
  3. Step 3: Cross multiply
    217,800x = 444,816 × 444,816
  4. Step 4: Simplify right side
    217,800x = 197,861,273,856
  5. Step 5: Solve for x
    x = 197,861,273,856/217,800
  6. Step 6: Final answer
    x = 908,453.97

Related Problems

Find third proportional to 108,900 and 222,408
Half scale
Find third proportional to 435,600 and 889,632
Double scale
Find third proportional to 217,802 and 444,820
Similar ratio
Find third proportional to 326,700 and 667,224
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.04) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.