Home / 509,930-1,120,516

Finding the Third Proportional to 509,930 and 1,120,516

Calculator

Solution

The third proportional to 509,930 and 1,120,516 is: 2,462,212.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    509,930 : 1,120,516 = 1,120,516 : x
  2. Step 2: Convert to fraction form
    509,930/1,120,516 = 1,120,516/x
  3. Step 3: Cross multiply
    509,930x = 1,120,516 × 1,120,516
  4. Step 4: Simplify right side
    509,930x = 1,255,556,106,256
  5. Step 5: Solve for x
    x = 1,255,556,106,256/509,930
  6. Step 6: Final answer
    x = 2,462,212.67

Related Problems

Find third proportional to 254,965 and 560,258
Half scale
Find third proportional to 1,019,860 and 2,241,032
Double scale
Find third proportional to 509,932 and 1,120,520
Similar ratio
Find third proportional to 764,895 and 1,680,774
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.