Home / 198,693-438,858

Finding the Third Proportional to 198,693 and 438,858

Calculator

Solution

The third proportional to 198,693 and 438,858 is: 969,316.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,693 : 438,858 = 438,858 : x
  2. Step 2: Convert to fraction form
    198,693/438,858 = 438,858/x
  3. Step 3: Cross multiply
    198,693x = 438,858 × 438,858
  4. Step 4: Simplify right side
    198,693x = 192,596,344,164
  5. Step 5: Solve for x
    x = 192,596,344,164/198,693
  6. Step 6: Final answer
    x = 969,316.20

Related Problems

Find third proportional to 99,346.50 and 219,429
Half scale
Find third proportional to 397,386 and 877,716
Double scale
Find third proportional to 198,695 and 438,862
Similar ratio
Find third proportional to 298,039.50 and 658,287
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.21) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.