Home / 154,072-331,376

Finding the Third Proportional to 154,072 and 331,376

Calculator

Solution

The third proportional to 154,072 and 331,376 is: 712,719.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,072 : 331,376 = 331,376 : x
  2. Step 2: Convert to fraction form
    154,072/331,376 = 331,376/x
  3. Step 3: Cross multiply
    154,072x = 331,376 × 331,376
  4. Step 4: Simplify right side
    154,072x = 109,810,053,376
  5. Step 5: Solve for x
    x = 109,810,053,376/154,072
  6. Step 6: Final answer
    x = 712,719.08

Related Problems

Find third proportional to 77,036 and 165,688
Half scale
Find third proportional to 308,144 and 662,752
Double scale
Find third proportional to 154,074 and 331,380
Similar ratio
Find third proportional to 231,108 and 497,064
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.