Home / 218,216-296,218

Finding the Third Proportional to 218,216 and 296,218

Calculator

Solution

The third proportional to 218,216 and 296,218 is: 402,102.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,216 : 296,218 = 296,218 : x
  2. Step 2: Convert to fraction form
    218,216/296,218 = 296,218/x
  3. Step 3: Cross multiply
    218,216x = 296,218 × 296,218
  4. Step 4: Simplify right side
    218,216x = 87,745,103,524
  5. Step 5: Solve for x
    x = 87,745,103,524/218,216
  6. Step 6: Final answer
    x = 402,102.06

Related Problems

Find third proportional to 109,108 and 148,109
Half scale
Find third proportional to 436,432 and 592,436
Double scale
Find third proportional to 218,218 and 296,221
Similar ratio
Find third proportional to 327,324 and 444,327
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.