Home / 198,774-308,124

Finding the Third Proportional to 198,774 and 308,124

Calculator

Solution

The third proportional to 198,774 and 308,124 is: 477,629.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,774 : 308,124 = 308,124 : x
  2. Step 2: Convert to fraction form
    198,774/308,124 = 308,124/x
  3. Step 3: Cross multiply
    198,774x = 308,124 × 308,124
  4. Step 4: Simplify right side
    198,774x = 94,940,399,376
  5. Step 5: Solve for x
    x = 94,940,399,376/198,774
  6. Step 6: Final answer
    x = 477,629.87

Related Problems

Find third proportional to 99,387 and 154,062
Half scale
Find third proportional to 397,548 and 616,248
Double scale
Find third proportional to 198,776 and 308,127
Similar ratio
Find third proportional to 298,161 and 462,186
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.