Home / 198,045-427,654.69

Finding the Third Proportional to 198,045 and 427,654.69

Calculator

Solution

The third proportional to 198,045 and 427,654.69 is: 923,469.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,045 : 427,654.69 = 427,654.69 : x
  2. Step 2: Convert to fraction form
    198,045/427,654.69 = 427,654.69/x
  3. Step 3: Cross multiply
    198,045x = 427,654.69 × 427,654.69
  4. Step 4: Simplify right side
    198,045x = 182,888,531,740.72
  5. Step 5: Solve for x
    x = 182,888,531,740.72/198,045
  6. Step 6: Final answer
    x = 923,469.57

Related Problems

Find third proportional to 99,022.50 and 213,827.34
Half scale
Find third proportional to 396,090 and 855,309.38
Double scale
Find third proportional to 198,047 and 427,659
Similar ratio
Find third proportional to 297,067.50 and 641,482.03
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.