Home / 291,212-456,907

Finding the Third Proportional to 291,212 and 456,907

Calculator

Solution

The third proportional to 291,212 and 456,907 is: 716,879.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,212 : 456,907 = 456,907 : x
  2. Step 2: Convert to fraction form
    291,212/456,907 = 456,907/x
  3. Step 3: Cross multiply
    291,212x = 456,907 × 456,907
  4. Step 4: Simplify right side
    291,212x = 208,764,006,649
  5. Step 5: Solve for x
    x = 208,764,006,649/291,212
  6. Step 6: Final answer
    x = 716,879.82

Related Problems

Find third proportional to 145,606 and 228,453.50
Half scale
Find third proportional to 582,424 and 913,814
Double scale
Find third proportional to 291,214 and 456,910
Similar ratio
Find third proportional to 436,818 and 685,360.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.