Home / 401,876-547,286

Finding the Third Proportional to 401,876 and 547,286

Calculator

Solution

The third proportional to 401,876 and 547,286 is: 745,309.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,876 : 547,286 = 547,286 : x
  2. Step 2: Convert to fraction form
    401,876/547,286 = 547,286/x
  3. Step 3: Cross multiply
    401,876x = 547,286 × 547,286
  4. Step 4: Simplify right side
    401,876x = 299,521,965,796
  5. Step 5: Solve for x
    x = 299,521,965,796/401,876
  6. Step 6: Final answer
    x = 745,309.41

Related Problems

Find third proportional to 200,938 and 273,643
Half scale
Find third proportional to 803,752 and 1,094,572
Double scale
Find third proportional to 401,878 and 547,289
Similar ratio
Find third proportional to 602,814 and 820,929
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.