Home / 401,868-547,275

Finding the Third Proportional to 401,868 and 547,275

Calculator

Solution

The third proportional to 401,868 and 547,275 is: 745,294.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,868 : 547,275 = 547,275 : x
  2. Step 2: Convert to fraction form
    401,868/547,275 = 547,275/x
  3. Step 3: Cross multiply
    401,868x = 547,275 × 547,275
  4. Step 4: Simplify right side
    401,868x = 299,509,925,625
  5. Step 5: Solve for x
    x = 299,509,925,625/401,868
  6. Step 6: Final answer
    x = 745,294.29

Related Problems

Find third proportional to 200,934 and 273,637.50
Half scale
Find third proportional to 803,736 and 1,094,550
Double scale
Find third proportional to 401,870 and 547,278
Similar ratio
Find third proportional to 602,802 and 820,912.50
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.