Home / 13,242,300-20,512,990

Finding the Third Proportional to 13,242,300 and 20,512,990

Calculator

Solution

The third proportional to 13,242,300 and 20,512,990 is: 31,775,655.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,242,300 : 20,512,990 = 20,512,990 : x
  2. Step 2: Convert to fraction form
    13,242,300/20,512,990 = 20,512,990/x
  3. Step 3: Cross multiply
    13,242,300x = 20,512,990 × 20,512,990
  4. Step 4: Simplify right side
    13,242,300x = 420,782,758,740,100
  5. Step 5: Solve for x
    x = 420,782,758,740,100/13,242,300
  6. Step 6: Final answer
    x = 31,775,655.19

Related Problems

Find third proportional to 6,621,150 and 10,256,495
Half scale
Find third proportional to 26,484,600 and 41,025,980
Double scale
Find third proportional to 13,242,302 and 20,512,993
Similar ratio
Find third proportional to 19,863,450 and 30,769,485
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.