Home / 311,192-633,798

Finding the Third Proportional to 311,192 and 633,798

Calculator

Solution

The third proportional to 311,192 and 633,798 is: 1,290,842.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,192 : 633,798 = 633,798 : x
  2. Step 2: Convert to fraction form
    311,192/633,798 = 633,798/x
  3. Step 3: Cross multiply
    311,192x = 633,798 × 633,798
  4. Step 4: Simplify right side
    311,192x = 401,699,904,804
  5. Step 5: Solve for x
    x = 401,699,904,804/311,192
  6. Step 6: Final answer
    x = 1,290,842.65

Related Problems

Find third proportional to 155,596 and 316,899
Half scale
Find third proportional to 622,384 and 1,267,596
Double scale
Find third proportional to 311,194 and 633,802
Similar ratio
Find third proportional to 466,788 and 950,697
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.04) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.