Home / 331,508-725,712

Finding the Third Proportional to 331,508 and 725,712

Calculator

Solution

The third proportional to 331,508 and 725,712 is: 1,588,673.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,508 : 725,712 = 725,712 : x
  2. Step 2: Convert to fraction form
    331,508/725,712 = 725,712/x
  3. Step 3: Cross multiply
    331,508x = 725,712 × 725,712
  4. Step 4: Simplify right side
    331,508x = 526,657,906,944
  5. Step 5: Solve for x
    x = 526,657,906,944/331,508
  6. Step 6: Final answer
    x = 1,588,673.30

Related Problems

Find third proportional to 165,754 and 362,856
Half scale
Find third proportional to 663,016 and 1,451,424
Double scale
Find third proportional to 331,510 and 725,716
Similar ratio
Find third proportional to 497,262 and 1,088,568
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.