Home / 198,339-297,942

Finding the Third Proportional to 198,339 and 297,942

Calculator

Solution

The third proportional to 198,339 and 297,942 is: 447,564.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,339 : 297,942 = 297,942 : x
  2. Step 2: Convert to fraction form
    198,339/297,942 = 297,942/x
  3. Step 3: Cross multiply
    198,339x = 297,942 × 297,942
  4. Step 4: Simplify right side
    198,339x = 88,769,435,364
  5. Step 5: Solve for x
    x = 88,769,435,364/198,339
  6. Step 6: Final answer
    x = 447,564.20

Related Problems

Find third proportional to 99,169.50 and 148,971
Half scale
Find third proportional to 396,678 and 595,884
Double scale
Find third proportional to 198,341 and 297,945
Similar ratio
Find third proportional to 297,508.50 and 446,913
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.