Home / 188,434-406,411

Finding the Third Proportional to 188,434 and 406,411

Calculator

Solution

The third proportional to 188,434 and 406,411 is: 876,539.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,434 : 406,411 = 406,411 : x
  2. Step 2: Convert to fraction form
    188,434/406,411 = 406,411/x
  3. Step 3: Cross multiply
    188,434x = 406,411 × 406,411
  4. Step 4: Simplify right side
    188,434x = 165,169,900,921
  5. Step 5: Solve for x
    x = 165,169,900,921/188,434
  6. Step 6: Final answer
    x = 876,539.80

Related Problems

Find third proportional to 94,217 and 203,205.50
Half scale
Find third proportional to 376,868 and 812,822
Double scale
Find third proportional to 188,436 and 406,415
Similar ratio
Find third proportional to 282,651 and 609,616.50
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.