Home / 10,013,149-20,557,121

Finding the Third Proportional to 10,013,149 and 20,557,121

Calculator

Solution

The third proportional to 10,013,149 and 20,557,121 is: 42,204,028.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,013,149 : 20,557,121 = 20,557,121 : x
  2. Step 2: Convert to fraction form
    10,013,149/20,557,121 = 20,557,121/x
  3. Step 3: Cross multiply
    10,013,149x = 20,557,121 × 20,557,121
  4. Step 4: Simplify right side
    10,013,149x = 422,595,223,808,641
  5. Step 5: Solve for x
    x = 422,595,223,808,641/10,013,149
  6. Step 6: Final answer
    x = 42,204,028.30

Related Problems

Find third proportional to 5,006,574.50 and 10,278,560.50
Half scale
Find third proportional to 20,026,298 and 41,114,242
Double scale
Find third proportional to 10,013,151 and 20,557,125
Similar ratio
Find third proportional to 15,019,723.50 and 30,835,681.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.