Home / 75,220-178,210

Finding the Third Proportional to 75,220 and 178,210

Calculator

Solution

The third proportional to 75,220 and 178,210 is: 422,212.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,220 : 178,210 = 178,210 : x
  2. Step 2: Convert to fraction form
    75,220/178,210 = 178,210/x
  3. Step 3: Cross multiply
    75,220x = 178,210 × 178,210
  4. Step 4: Simplify right side
    75,220x = 31,758,804,100
  5. Step 5: Solve for x
    x = 31,758,804,100/75,220
  6. Step 6: Final answer
    x = 422,212.23

Related Problems

Find third proportional to 37,610 and 89,105
Half scale
Find third proportional to 150,440 and 356,420
Double scale
Find third proportional to 75,222 and 178,215
Similar ratio
Find third proportional to 112,830 and 267,315
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.