Home / 154,076-331,147

Finding the Third Proportional to 154,076 and 331,147

Calculator

Solution

The third proportional to 154,076 and 331,147 is: 711,715.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,076 : 331,147 = 331,147 : x
  2. Step 2: Convert to fraction form
    154,076/331,147 = 331,147/x
  3. Step 3: Cross multiply
    154,076x = 331,147 × 331,147
  4. Step 4: Simplify right side
    154,076x = 109,658,335,609
  5. Step 5: Solve for x
    x = 109,658,335,609/154,076
  6. Step 6: Final answer
    x = 711,715.88

Related Problems

Find third proportional to 77,038 and 165,573.50
Half scale
Find third proportional to 308,152 and 662,294
Double scale
Find third proportional to 154,078 and 331,151
Similar ratio
Find third proportional to 231,114 and 496,720.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.