Home / 180,885-397,856

Finding the Third Proportional to 180,885 and 397,856

Calculator

Solution

The third proportional to 180,885 and 397,856 is: 875,083.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,885 : 397,856 = 397,856 : x
  2. Step 2: Convert to fraction form
    180,885/397,856 = 397,856/x
  3. Step 3: Cross multiply
    180,885x = 397,856 × 397,856
  4. Step 4: Simplify right side
    180,885x = 158,289,396,736
  5. Step 5: Solve for x
    x = 158,289,396,736/180,885
  6. Step 6: Final answer
    x = 875,083.05

Related Problems

Find third proportional to 90,442.50 and 198,928
Half scale
Find third proportional to 361,770 and 795,712
Double scale
Find third proportional to 180,887 and 397,860
Similar ratio
Find third proportional to 271,327.50 and 596,784
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.