Home / 330,487-445,903

Finding the Third Proportional to 330,487 and 445,903

Calculator

Solution

The third proportional to 330,487 and 445,903 is: 601,625.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,487 : 445,903 = 445,903 : x
  2. Step 2: Convert to fraction form
    330,487/445,903 = 445,903/x
  3. Step 3: Cross multiply
    330,487x = 445,903 × 445,903
  4. Step 4: Simplify right side
    330,487x = 198,829,485,409
  5. Step 5: Solve for x
    x = 198,829,485,409/330,487
  6. Step 6: Final answer
    x = 601,625.74

Related Problems

Find third proportional to 165,243.50 and 222,951.50
Half scale
Find third proportional to 660,974 and 891,806
Double scale
Find third proportional to 330,489 and 445,906
Similar ratio
Find third proportional to 495,730.50 and 668,854.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.