Home / 122,328-187,380

Finding the Third Proportional to 122,328 and 187,380

Calculator

Solution

The third proportional to 122,328 and 187,380 is: 287,025.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,328 : 187,380 = 187,380 : x
  2. Step 2: Convert to fraction form
    122,328/187,380 = 187,380/x
  3. Step 3: Cross multiply
    122,328x = 187,380 × 187,380
  4. Step 4: Simplify right side
    122,328x = 35,111,264,400
  5. Step 5: Solve for x
    x = 35,111,264,400/122,328
  6. Step 6: Final answer
    x = 287,025.57

Related Problems

Find third proportional to 61,164 and 93,690
Half scale
Find third proportional to 244,656 and 374,760
Double scale
Find third proportional to 122,330 and 187,383
Similar ratio
Find third proportional to 183,492 and 281,070
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.