Home / 180,885-392,898

Finding the Third Proportional to 180,885 and 392,898

Calculator

Solution

The third proportional to 180,885 and 392,898 is: 853,408.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,885 : 392,898 = 392,898 : x
  2. Step 2: Convert to fraction form
    180,885/392,898 = 392,898/x
  3. Step 3: Cross multiply
    180,885x = 392,898 × 392,898
  4. Step 4: Simplify right side
    180,885x = 154,368,838,404
  5. Step 5: Solve for x
    x = 154,368,838,404/180,885
  6. Step 6: Final answer
    x = 853,408.73

Related Problems

Find third proportional to 90,442.50 and 196,449
Half scale
Find third proportional to 361,770 and 785,796
Double scale
Find third proportional to 180,887 and 392,902
Similar ratio
Find third proportional to 271,327.50 and 589,347
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.