Home / 154,066-331,128

Finding the Third Proportional to 154,066 and 331,128

Calculator

Solution

The third proportional to 154,066 and 331,128 is: 711,680.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,066 : 331,128 = 331,128 : x
  2. Step 2: Convert to fraction form
    154,066/331,128 = 331,128/x
  3. Step 3: Cross multiply
    154,066x = 331,128 × 331,128
  4. Step 4: Simplify right side
    154,066x = 109,645,752,384
  5. Step 5: Solve for x
    x = 109,645,752,384/154,066
  6. Step 6: Final answer
    x = 711,680.40

Related Problems

Find third proportional to 77,033 and 165,564
Half scale
Find third proportional to 308,132 and 662,256
Double scale
Find third proportional to 154,068 and 331,132
Similar ratio
Find third proportional to 231,099 and 496,692
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.