Home / 505,890-1,118,907

Finding the Third Proportional to 505,890 and 1,118,907

Calculator

Solution

The third proportional to 505,890 and 1,118,907 is: 2,474,753.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,890 : 1,118,907 = 1,118,907 : x
  2. Step 2: Convert to fraction form
    505,890/1,118,907 = 1,118,907/x
  3. Step 3: Cross multiply
    505,890x = 1,118,907 × 1,118,907
  4. Step 4: Simplify right side
    505,890x = 1,251,952,874,649
  5. Step 5: Solve for x
    x = 1,251,952,874,649/505,890
  6. Step 6: Final answer
    x = 2,474,753.16

Related Problems

Find third proportional to 252,945 and 559,453.50
Half scale
Find third proportional to 1,011,780 and 2,237,814
Double scale
Find third proportional to 505,892 and 1,118,911
Similar ratio
Find third proportional to 758,835 and 1,678,360.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.21) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.