Home / 328,328-706,876

Finding the Third Proportional to 328,328 and 706,876

Calculator

Solution

The third proportional to 328,328 and 706,876 is: 1,521,873.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,328 : 706,876 = 706,876 : x
  2. Step 2: Convert to fraction form
    328,328/706,876 = 706,876/x
  3. Step 3: Cross multiply
    328,328x = 706,876 × 706,876
  4. Step 4: Simplify right side
    328,328x = 499,673,679,376
  5. Step 5: Solve for x
    x = 499,673,679,376/328,328
  6. Step 6: Final answer
    x = 1,521,873.49

Related Problems

Find third proportional to 164,164 and 353,438
Half scale
Find third proportional to 656,656 and 1,413,752
Double scale
Find third proportional to 328,330 and 706,880
Similar ratio
Find third proportional to 492,492 and 1,060,314
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.