Home / 178,238-396,323

Finding the Third Proportional to 178,238 and 396,323

Calculator

Solution

The third proportional to 178,238 and 396,323 is: 881,248.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,238 : 396,323 = 396,323 : x
  2. Step 2: Convert to fraction form
    178,238/396,323 = 396,323/x
  3. Step 3: Cross multiply
    178,238x = 396,323 × 396,323
  4. Step 4: Simplify right side
    178,238x = 157,071,920,329
  5. Step 5: Solve for x
    x = 157,071,920,329/178,238
  6. Step 6: Final answer
    x = 881,248.22

Related Problems

Find third proportional to 89,119 and 198,161.50
Half scale
Find third proportional to 356,476 and 792,646
Double scale
Find third proportional to 178,240 and 396,327
Similar ratio
Find third proportional to 267,357 and 594,484.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.