Home / 188,045-391,642

Finding the Third Proportional to 188,045 and 391,642

Calculator

Solution

The third proportional to 188,045 and 391,642 is: 815,674.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,045 : 391,642 = 391,642 : x
  2. Step 2: Convert to fraction form
    188,045/391,642 = 391,642/x
  3. Step 3: Cross multiply
    188,045x = 391,642 × 391,642
  4. Step 4: Simplify right side
    188,045x = 153,383,456,164
  5. Step 5: Solve for x
    x = 153,383,456,164/188,045
  6. Step 6: Final answer
    x = 815,674.21

Related Problems

Find third proportional to 94,022.50 and 195,821
Half scale
Find third proportional to 376,090 and 783,284
Double scale
Find third proportional to 188,047 and 391,646
Similar ratio
Find third proportional to 282,067.50 and 587,463
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.