Home / 199,494-426,636

Finding the Third Proportional to 199,494 and 426,636

Calculator

Solution

The third proportional to 199,494 and 426,636 is: 912,399.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,494 : 426,636 = 426,636 : x
  2. Step 2: Convert to fraction form
    199,494/426,636 = 426,636/x
  3. Step 3: Cross multiply
    199,494x = 426,636 × 426,636
  4. Step 4: Simplify right side
    199,494x = 182,018,276,496
  5. Step 5: Solve for x
    x = 182,018,276,496/199,494
  6. Step 6: Final answer
    x = 912,399.75

Related Problems

Find third proportional to 99,747 and 213,318
Half scale
Find third proportional to 398,988 and 853,272
Double scale
Find third proportional to 199,496 and 426,640
Similar ratio
Find third proportional to 299,241 and 639,954
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.