Home / 198,026-402,940

Finding the Third Proportional to 198,026 and 402,940

Calculator

Solution

The third proportional to 198,026 and 402,940 is: 819,895.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,026 : 402,940 = 402,940 : x
  2. Step 2: Convert to fraction form
    198,026/402,940 = 402,940/x
  3. Step 3: Cross multiply
    198,026x = 402,940 × 402,940
  4. Step 4: Simplify right side
    198,026x = 162,360,643,600
  5. Step 5: Solve for x
    x = 162,360,643,600/198,026
  6. Step 6: Final answer
    x = 819,895.59

Related Problems

Find third proportional to 99,013 and 201,470
Half scale
Find third proportional to 396,052 and 805,880
Double scale
Find third proportional to 198,028 and 402,944
Similar ratio
Find third proportional to 297,039 and 604,410
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.03) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.