Home / 360,828-512,886

Finding the Third Proportional to 360,828 and 512,886

Calculator

Solution

The third proportional to 360,828 and 512,886 is: 729,023.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,828 : 512,886 = 512,886 : x
  2. Step 2: Convert to fraction form
    360,828/512,886 = 512,886/x
  3. Step 3: Cross multiply
    360,828x = 512,886 × 512,886
  4. Step 4: Simplify right side
    360,828x = 263,052,048,996
  5. Step 5: Solve for x
    x = 263,052,048,996/360,828
  6. Step 6: Final answer
    x = 729,023.38

Related Problems

Find third proportional to 180,414 and 256,443
Half scale
Find third proportional to 721,656 and 1,025,772
Double scale
Find third proportional to 360,830 and 512,889
Similar ratio
Find third proportional to 541,242 and 769,329
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.