Home / 217,751-331,394

Finding the Third Proportional to 217,751 and 331,394

Calculator

Solution

The third proportional to 217,751 and 331,394 is: 504,346.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,751 : 331,394 = 331,394 : x
  2. Step 2: Convert to fraction form
    217,751/331,394 = 331,394/x
  3. Step 3: Cross multiply
    217,751x = 331,394 × 331,394
  4. Step 4: Simplify right side
    217,751x = 109,821,983,236
  5. Step 5: Solve for x
    x = 109,821,983,236/217,751
  6. Step 6: Final answer
    x = 504,346.63

Related Problems

Find third proportional to 108,875.50 and 165,697
Half scale
Find third proportional to 435,502 and 662,788
Double scale
Find third proportional to 217,753 and 331,397
Similar ratio
Find third proportional to 326,626.50 and 497,091
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.