Home / 331,510-491,050

Finding the Third Proportional to 331,510 and 491,050

Calculator

Solution

The third proportional to 331,510 and 491,050 is: 727,369.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,510 : 491,050 = 491,050 : x
  2. Step 2: Convert to fraction form
    331,510/491,050 = 491,050/x
  3. Step 3: Cross multiply
    331,510x = 491,050 × 491,050
  4. Step 4: Simplify right side
    331,510x = 241,130,102,500
  5. Step 5: Solve for x
    x = 241,130,102,500/331,510
  6. Step 6: Final answer
    x = 727,369.02

Related Problems

Find third proportional to 165,755 and 245,525
Half scale
Find third proportional to 663,020 and 982,100
Double scale
Find third proportional to 331,512 and 491,053
Similar ratio
Find third proportional to 497,265 and 736,575
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.