Home / 317,223-491,940

Finding the Third Proportional to 317,223 and 491,940

Calculator

Solution

The third proportional to 317,223 and 491,940 is: 762,885.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,223 : 491,940 = 491,940 : x
  2. Step 2: Convert to fraction form
    317,223/491,940 = 491,940/x
  3. Step 3: Cross multiply
    317,223x = 491,940 × 491,940
  4. Step 4: Simplify right side
    317,223x = 242,004,963,600
  5. Step 5: Solve for x
    x = 242,004,963,600/317,223
  6. Step 6: Final answer
    x = 762,885.93

Related Problems

Find third proportional to 158,611.50 and 245,970
Half scale
Find third proportional to 634,446 and 983,880
Double scale
Find third proportional to 317,225 and 491,943
Similar ratio
Find third proportional to 475,834.50 and 737,910
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.