Home / 159,380-343,350

Finding the Third Proportional to 159,380 and 343,350

Calculator

Solution

The third proportional to 159,380 and 343,350 is: 739,673.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,380 : 343,350 = 343,350 : x
  2. Step 2: Convert to fraction form
    159,380/343,350 = 343,350/x
  3. Step 3: Cross multiply
    159,380x = 343,350 × 343,350
  4. Step 4: Simplify right side
    159,380x = 117,889,222,500
  5. Step 5: Solve for x
    x = 117,889,222,500/159,380
  6. Step 6: Final answer
    x = 739,673.88

Related Problems

Find third proportional to 79,690 and 171,675
Half scale
Find third proportional to 318,760 and 686,700
Double scale
Find third proportional to 159,382 and 343,354
Similar ratio
Find third proportional to 239,070 and 515,025
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.