Home / 181,323-391,806

Finding the Third Proportional to 181,323 and 391,806

Calculator

Solution

The third proportional to 181,323 and 391,806 is: 846,621.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,323 : 391,806 = 391,806 : x
  2. Step 2: Convert to fraction form
    181,323/391,806 = 391,806/x
  3. Step 3: Cross multiply
    181,323x = 391,806 × 391,806
  4. Step 4: Simplify right side
    181,323x = 153,511,941,636
  5. Step 5: Solve for x
    x = 153,511,941,636/181,323
  6. Step 6: Final answer
    x = 846,621.45

Related Problems

Find third proportional to 90,661.50 and 195,903
Half scale
Find third proportional to 362,646 and 783,612
Double scale
Find third proportional to 181,325 and 391,810
Similar ratio
Find third proportional to 271,984.50 and 587,709
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.