Home / 181,278-391,716

Finding the Third Proportional to 181,278 and 391,716

Calculator

Solution

The third proportional to 181,278 and 391,716 is: 846,442.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,278 : 391,716 = 391,716 : x
  2. Step 2: Convert to fraction form
    181,278/391,716 = 391,716/x
  3. Step 3: Cross multiply
    181,278x = 391,716 × 391,716
  4. Step 4: Simplify right side
    181,278x = 153,441,424,656
  5. Step 5: Solve for x
    x = 153,441,424,656/181,278
  6. Step 6: Final answer
    x = 846,442.62

Related Problems

Find third proportional to 90,639 and 195,858
Half scale
Find third proportional to 362,556 and 783,432
Double scale
Find third proportional to 181,280 and 391,720
Similar ratio
Find third proportional to 271,917 and 587,574
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.