Home / 330,058-721,940

Finding the Third Proportional to 330,058 and 721,940

Calculator

Solution

The third proportional to 330,058 and 721,940 is: 1,579,108.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,058 : 721,940 = 721,940 : x
  2. Step 2: Convert to fraction form
    330,058/721,940 = 721,940/x
  3. Step 3: Cross multiply
    330,058x = 721,940 × 721,940
  4. Step 4: Simplify right side
    330,058x = 521,197,363,600
  5. Step 5: Solve for x
    x = 521,197,363,600/330,058
  6. Step 6: Final answer
    x = 1,579,108.41

Related Problems

Find third proportional to 165,029 and 360,970
Half scale
Find third proportional to 660,116 and 1,443,880
Double scale
Find third proportional to 330,060 and 721,944
Similar ratio
Find third proportional to 495,087 and 1,082,910
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.