Home / 381,858-826,644

Finding the Third Proportional to 381,858 and 826,644

Calculator

Solution

The third proportional to 381,858 and 826,644 is: 1,789,514.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,858 : 826,644 = 826,644 : x
  2. Step 2: Convert to fraction form
    381,858/826,644 = 826,644/x
  3. Step 3: Cross multiply
    381,858x = 826,644 × 826,644
  4. Step 4: Simplify right side
    381,858x = 683,340,302,736
  5. Step 5: Solve for x
    x = 683,340,302,736/381,858
  6. Step 6: Final answer
    x = 1,789,514.17

Related Problems

Find third proportional to 190,929 and 413,322
Half scale
Find third proportional to 763,716 and 1,653,288
Double scale
Find third proportional to 381,860 and 826,648
Similar ratio
Find third proportional to 572,787 and 1,239,966
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.