Home / 274,902-425,655

Finding the Third Proportional to 274,902 and 425,655

Calculator

Solution

The third proportional to 274,902 and 425,655 is: 659,079.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,902 : 425,655 = 425,655 : x
  2. Step 2: Convert to fraction form
    274,902/425,655 = 425,655/x
  3. Step 3: Cross multiply
    274,902x = 425,655 × 425,655
  4. Step 4: Simplify right side
    274,902x = 181,182,179,025
  5. Step 5: Solve for x
    x = 181,182,179,025/274,902
  6. Step 6: Final answer
    x = 659,079.16

Related Problems

Find third proportional to 137,451 and 212,827.50
Half scale
Find third proportional to 549,804 and 851,310
Double scale
Find third proportional to 274,904 and 425,658
Similar ratio
Find third proportional to 412,353 and 638,482.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.