Home / 199,872-425,638

Finding the Third Proportional to 199,872 and 425,638

Calculator

Solution

The third proportional to 199,872 and 425,638 is: 906,418.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,872 : 425,638 = 425,638 : x
  2. Step 2: Convert to fraction form
    199,872/425,638 = 425,638/x
  3. Step 3: Cross multiply
    199,872x = 425,638 × 425,638
  4. Step 4: Simplify right side
    199,872x = 181,167,707,044
  5. Step 5: Solve for x
    x = 181,167,707,044/199,872
  6. Step 6: Final answer
    x = 906,418.64

Related Problems

Find third proportional to 99,936 and 212,819
Half scale
Find third proportional to 399,744 and 851,276
Double scale
Find third proportional to 199,874 and 425,642
Similar ratio
Find third proportional to 299,808 and 638,457
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.