Home / 386,049-556,923

Finding the Third Proportional to 386,049 and 556,923

Calculator

Solution

The third proportional to 386,049 and 556,923 is: 803,429.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,049 : 556,923 = 556,923 : x
  2. Step 2: Convert to fraction form
    386,049/556,923 = 556,923/x
  3. Step 3: Cross multiply
    386,049x = 556,923 × 556,923
  4. Step 4: Simplify right side
    386,049x = 310,163,227,929
  5. Step 5: Solve for x
    x = 310,163,227,929/386,049
  6. Step 6: Final answer
    x = 803,429.69

Related Problems

Find third proportional to 193,024.50 and 278,461.50
Half scale
Find third proportional to 772,098 and 1,113,846
Double scale
Find third proportional to 386,051 and 556,926
Similar ratio
Find third proportional to 579,073.50 and 835,384.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.44) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.