Home / 218,096-328,236

Finding the Third Proportional to 218,096 and 328,236

Calculator

Solution

The third proportional to 218,096 and 328,236 is: 493,997.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,096 : 328,236 = 328,236 : x
  2. Step 2: Convert to fraction form
    218,096/328,236 = 328,236/x
  3. Step 3: Cross multiply
    218,096x = 328,236 × 328,236
  4. Step 4: Simplify right side
    218,096x = 107,738,871,696
  5. Step 5: Solve for x
    x = 107,738,871,696/218,096
  6. Step 6: Final answer
    x = 493,997.47

Related Problems

Find third proportional to 109,048 and 164,118
Half scale
Find third proportional to 436,192 and 656,472
Double scale
Find third proportional to 218,098 and 328,239
Similar ratio
Find third proportional to 327,144 and 492,354
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.