Home / 215,154-331,803

Finding the Third Proportional to 215,154 and 331,803

Calculator

Solution

The third proportional to 215,154 and 331,803 is: 511,695.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,154 : 331,803 = 331,803 : x
  2. Step 2: Convert to fraction form
    215,154/331,803 = 331,803/x
  3. Step 3: Cross multiply
    215,154x = 331,803 × 331,803
  4. Step 4: Simplify right side
    215,154x = 110,093,230,809
  5. Step 5: Solve for x
    x = 110,093,230,809/215,154
  6. Step 6: Final answer
    x = 511,695.02

Related Problems

Find third proportional to 107,577 and 165,901.50
Half scale
Find third proportional to 430,308 and 663,606
Double scale
Find third proportional to 215,156 and 331,806
Similar ratio
Find third proportional to 322,731 and 497,704.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.