Home / 157,236-339,380

Finding the Third Proportional to 157,236 and 339,380

Calculator

Solution

The third proportional to 157,236 and 339,380 is: 732,521.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,236 : 339,380 = 339,380 : x
  2. Step 2: Convert to fraction form
    157,236/339,380 = 339,380/x
  3. Step 3: Cross multiply
    157,236x = 339,380 × 339,380
  4. Step 4: Simplify right side
    157,236x = 115,178,784,400
  5. Step 5: Solve for x
    x = 115,178,784,400/157,236
  6. Step 6: Final answer
    x = 732,521.72

Related Problems

Find third proportional to 78,618 and 169,690
Half scale
Find third proportional to 314,472 and 678,760
Double scale
Find third proportional to 157,238 and 339,384
Similar ratio
Find third proportional to 235,854 and 509,070
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.