Home / 218,431-467,229

Finding the Third Proportional to 218,431 and 467,229

Calculator

Solution

The third proportional to 218,431 and 467,229 is: 999,413.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,431 : 467,229 = 467,229 : x
  2. Step 2: Convert to fraction form
    218,431/467,229 = 467,229/x
  3. Step 3: Cross multiply
    218,431x = 467,229 × 467,229
  4. Step 4: Simplify right side
    218,431x = 218,302,938,441
  5. Step 5: Solve for x
    x = 218,302,938,441/218,431
  6. Step 6: Final answer
    x = 999,413.72

Related Problems

Find third proportional to 109,215.50 and 233,614.50
Half scale
Find third proportional to 436,862 and 934,458
Double scale
Find third proportional to 218,433 and 467,233
Similar ratio
Find third proportional to 327,646.50 and 700,843.50
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.