Home / 195,511-428,389

Finding the Third Proportional to 195,511 and 428,389

Calculator

Solution

The third proportional to 195,511 and 428,389 is: 938,653.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,511 : 428,389 = 428,389 : x
  2. Step 2: Convert to fraction form
    195,511/428,389 = 428,389/x
  3. Step 3: Cross multiply
    195,511x = 428,389 × 428,389
  4. Step 4: Simplify right side
    195,511x = 183,517,135,321
  5. Step 5: Solve for x
    x = 183,517,135,321/195,511
  6. Step 6: Final answer
    x = 938,653.76

Related Problems

Find third proportional to 97,755.50 and 214,194.50
Half scale
Find third proportional to 391,022 and 856,778
Double scale
Find third proportional to 195,513 and 428,393
Similar ratio
Find third proportional to 293,266.50 and 642,583.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.