Home / 305,856-449,858.81

Finding the Third Proportional to 305,856 and 449,858.81

Calculator

Solution

The third proportional to 305,856 and 449,858.81 is: 661,660.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,856 : 449,858.81 = 449,858.81 : x
  2. Step 2: Convert to fraction form
    305,856/449,858.81 = 449,858.81/x
  3. Step 3: Cross multiply
    305,856x = 449,858.81 × 449,858.81
  4. Step 4: Simplify right side
    305,856x = 202,372,951,183.91
  5. Step 5: Solve for x
    x = 202,372,951,183.91/305,856
  6. Step 6: Final answer
    x = 661,660.88

Related Problems

Find third proportional to 152,928 and 224,929.41
Half scale
Find third proportional to 611,712 and 899,717.63
Double scale
Find third proportional to 305,858 and 449,862
Similar ratio
Find third proportional to 458,784 and 674,788.22
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.