Home / 332,718-721,486

Finding the Third Proportional to 332,718 and 721,486

Calculator

Solution

The third proportional to 332,718 and 721,486 is: 1,564,514.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,718 : 721,486 = 721,486 : x
  2. Step 2: Convert to fraction form
    332,718/721,486 = 721,486/x
  3. Step 3: Cross multiply
    332,718x = 721,486 × 721,486
  4. Step 4: Simplify right side
    332,718x = 520,542,048,196
  5. Step 5: Solve for x
    x = 520,542,048,196/332,718
  6. Step 6: Final answer
    x = 1,564,514.24

Related Problems

Find third proportional to 166,359 and 360,743
Half scale
Find third proportional to 665,436 and 1,442,972
Double scale
Find third proportional to 332,720 and 721,490
Similar ratio
Find third proportional to 499,077 and 1,082,229
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.