Home / 74,728-156,380

Finding the Third Proportional to 74,728 and 156,380

Calculator

Solution

The third proportional to 74,728 and 156,380 is: 327,249.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,728 : 156,380 = 156,380 : x
  2. Step 2: Convert to fraction form
    74,728/156,380 = 156,380/x
  3. Step 3: Cross multiply
    74,728x = 156,380 × 156,380
  4. Step 4: Simplify right side
    74,728x = 24,454,704,400
  5. Step 5: Solve for x
    x = 24,454,704,400/74,728
  6. Step 6: Final answer
    x = 327,249.55

Related Problems

Find third proportional to 37,364 and 78,190
Half scale
Find third proportional to 149,456 and 312,760
Double scale
Find third proportional to 74,730 and 156,384
Similar ratio
Find third proportional to 112,092 and 234,570
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.